Biggest changeThe following table presents a reconciliation of net income (loss), the most directly comparable financial measure calculated and presented in accordance with GAAP, to Adjusted EBITDA (in thousands): Year Ended December 31, 2022 2021 2020 Net income (loss) $ (96,047) $ 316,438 $ (128,323) Depreciation and amortization 46,489 27,500 36,988 Share-based compensation 497,123 415,382 321,020 Interest income (30,943) (4,204) (16,119) Interest expense and other (income) expense, net 15,210 9,420 635 Provision for income taxes 10,103 4,533 1,303 Non-cash charitable contributions — 45,300 — Termination of future lease contract — — 89,500 Adjusted EBITDA (1) $ 441,935 $ 814,369 $ 305,004 (1) Non-cash charitable contributions of $2.7 million were not excluded from Adjusted EBITDA for the year ended December 31, 2020 as these were not material. 49 Part II Components of results of operations Revenue.
Biggest changeThe following table presents a reconciliation of net income (loss), the most directly comparable financial measure calculated and presented in accordance with GAAP, to Adjusted EBITDA (in thousands): Year Ended December 31, 2023 2022 2021 Net income (loss) $ (35,610) $ (96,047) $ 316,438 Depreciation and amortization 21,509 46,489 27,500 Share-based compensation 647,860 497,123 415,382 Interest (income) expense, net (105,439) (30,235) (3,075) Other (income) expense, net (3,799) 14,502 8,291 Provision for income taxes 19,170 10,103 4,533 Restructuring charges 126,882 — — Non-cash charitable contributions 12,890 — 45,300 Adjusted EBITDA $ 683,463 $ 441,935 $ 814,369 50 Part II Components of results of operations Revenue.
Quarterly monthly active users (in millions) 45 Part II Note: U.S. and Canada, Europe and Rest of World may not sum to Global due to rounding. Europe includes Russia and Turkey for our reporting of Revenue, MAUs and ARPU by geographic region. A portion of our MAUs visit Pinterest on a weekly basis.
Quarterly monthly active users (in millions) Note: U.S. and Canada, Europe and Rest of World may not sum to Global due to rounding. Europe includes Russia and Turkey for our reporting of Revenue, MAUs and ARPU by geographic region. 45 Part II A portion of our MAUs visit Pinterest on a weekly basis.
Other income (expense), net consists primarily of interest earned on our cash equivalents and marketable securities and foreign currency exchange gains and losses. Provision for Income Taxes. Provision for income taxes consists primarily of income taxes in foreign jurisdictions and U.S. federal and state income taxes. Adjusted EBITDA.
Interest and other income (expense), net consists primarily of interest earned on our cash equivalents and marketable securities and foreign currency exchange gains and losses. Provision for income taxes. Provision for income taxes consists primarily of income taxes in foreign jurisdictions and U.S. federal and state income taxes. Adjusted EBITDA.
General and administrative consists primarily of personnel-related expense, including salaries, benefits and share-based compensation for our employees engaged in finance, legal, human resources and other administrative functions, professional services, including outside legal and accounting services, charitable contributions and allocated facilities and other supporting overhead costs. Other income (expense), net.
General and administrative consists primarily of personnel-related expense, including salaries, benefits and share-based compensation for our employees engaged in finance, legal, human resources and other administrative functions, professional services, including outside legal and accounting services, charitable contributions and allocated facilities and other supporting overhead costs. Interest and other income (expense), net.
We generally determine standalone selling prices based on the effective price charged per contracted click, impression or view, and we do not disclose the value of unsatisfied performance obligations because the original expected duration of our contracts is generally less than one year. 56 Part II
We generally determine standalone selling prices based on the effective price charged per contracted click, impression or view, and we do not disclose the value of unsatisfied performance obligations because the original expected duration of our contracts is generally less than one year. 57 Part II
We recognize revenue only after transferring control of promised goods or services to customers, which occurs when a user clicks on an ad contracted on a cost per click ("CPC") basis, views an ad contracted on a cost per thousand impressions ("CPM") basis or views a video ad contracted on a cost per view ("CPV") basis. Cost of Revenue.
We recognize revenue only after transferring control of promised goods or services to customers, which occurs when a user clicks on an ad contracted on a cost per click ("CPC") basis, views an ad contracted on a cost per thousand impressions ("CPM") basis or cost per day ("CPD") basis or views a video ad contracted on a cost per view ("CPV") basis.
We refer to such estimates and judgments, discussed further below, as critical accounting policies and estimates. Refer to Note 1 to our consolidated financial statements for further information on our other significant accounting policies. 55 Part II Revenue recognition We generate revenue by delivering ads on our website and mobile application.
We refer to such estimates and judgments, discussed further below, as critical accounting policies and estimates. 56 Part II Refer to Note 1 to our consolidated financial statements for further information on our other significant accounting policies. Revenue recognition We generate revenue by delivering ads on our website and mobile application.
A discussion regarding our financial condition and results of operations for the year ended December 31, 2021 compared to the year ended December 31, 2020 is included under “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in our Annual Report on Form 10-K for the year ended December 31, 2021.
A discussion regarding our financial condition and results of operations for the year ended December 31, 2022 compared to the year ended December 31, 2021 is included under “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in our Annual Report on Form 10-K for the year ended December 31, 2022.
Interest on any borrowings under the 2022 revolving credit facility accrues at either an adjusted term SOFR plus 0.10% and a margin of 1.50% or at an alternative base rate plus a margin of 0.50%, at our election, and we are required to pay an annual commitment fee that accrues at 0.15% per annum on the unused portion of the aggregate commitments under the 2022 revolving credit facility.
Interest on any borrowings under the 2022 revolving credit facility accrues at either an adjusted term Secured Overnight Financing Rate ("SOFR") plus 0.10% and a margin of 1.50% or at an alternative base rate plus a margin of 0.50%, at our election, and we are required to pay an annual commitment fee that accrues at 0.15% per annum on the unused portion of the aggregate commitments under the 2022 revolving credit facility.
Under the stock repurchase program, we are authorized to repurchase, from time-to-time, shares of our Class A common stock through open market purchases, in privately negotiated transactions or 54 Part II in other such manner as permitted by securities law and as determined by management at such time and in such amounts as management may decide.
Under the stock repurchase program, we are authorized to repurchase, from time-to-time, shares of our Class A common stock through open market purchases, in privately negotiated transactions or in such other manner as permitted by securities law and as determined by management at such time and in such amounts as management may decide.
We define a monthly active user as an authenticated Pinterest user who visits our website, opens our mobile application or interacts with Pinterest through one of our browser or site extensions, such as the Save button, at least once during the 30-day period ending on the date of measurement.
We define a MAU as an authenticated Pinterest user who visits our website, opens our mobile application or interacts with Pinterest through one of our browser or site extensions, such as the Save button, at least once during the 30-day period ending on the date of measurement.
A discussion regarding our financial condition and results of operations for the year ended December 31, 2022 compared to the year ended December 31, 2021 is presented below.
A discussion regarding our financial condition and results of operations for the year ended December 31, 2023 compared to the year ended December 31, 2022 is presented below.
Our primary uses of cash are personnel-related costs and the cost of hosting our website and mobile application. As of December 31, 2022, we had $2,698.2 million in cash, cash equivalents and marketable securities. Our cash equivalents and marketable securities are primarily invested in short-duration fixed income securities, including government and investment-grade corporate debt securities and money market funds.
Our primary uses of cash are personnel-related costs and the cost of hosting our website and mobile application. As of December 31, 2023, we had $2,511.1 million in cash, cash equivalents and marketable securities. Our cash equivalents and marketable securities are primarily invested in short-duration fixed income securities, including government and investment-grade corporate debt securities and money market funds.
Macroeconomic conditions, such as inflation, supply chain issues, changes in foreign currency exchange rates, competition from other platforms and other risks and uncertainties have impacted, and all or some of these factors may continue to impact, advertiser demand, user growth, user engagement, and our business, operations and financial results.
Macroeconomic conditions, such as inflation, supply chain issues, changes in foreign currency exchange rates, competition from other platforms and other risks and uncertainties have impacted, and all or some of these factors may continue to impact, advertiser demand, user growth, user engagement, and our business, operations and financial results. See "Risk Factors" and "Note About Forward-Looking Statements” for additional details.
We measure monetization of our platform through our average revenue per user metric. We define ARPU as our total revenue in a given geography during a period divided by average MAUs in that geography during the period. We calculate ARPU by geography based on our estimate of the geography in which revenue ‑ generating activities occur.
We define ARPU as our total revenue in a given geography during a period divided by average MAUs in that geography during the period. We calculate ARPU by geography based on our estimate of the geography in which revenue ‑ generating activities occur.
Revenue growth was driven by a 10% increase in ARPU and offset by a 1% decrease in average MAUs for the year ended December 31, 2022 as compared to the year ended December 31, 2021. The number of advertisements served increased by 17% while the price of advertisements decreased 7% as compared to the year ended December 31, 2021.
Revenue growth was driven by an 8% increase in average MAUs and a 1% increase in ARPU for the year ended December 31, 2023 as compared to the year ended December 31, 2022. The number of advertisements served increased by 31% while the price of advertisements decreased by 17% as compared to the year ended December 31, 2022.
Financing activities Cash flows from financing activities consist of tax remittances on release of RSUs and RSAs and proceeds from the exercise of stock options.
Financing activities Cash flows from financing activities consist of tax remittances on release of RSUs and RSAs, repurchases of our Class A common stock and proceeds from the exercise of stock options.
We recognize revenue only after transferring control of promised goods or services to customers, which occurs when a user clicks on an ad contracted on a CPC basis, views an ad contracted on a CPM basis or views a video ad contracted on a CPV basis.
We recognize revenue only after transferring control of promised goods or services to customers, which occurs when a user clicks on an ad contracted on a cost per click ("CPC") basis, views an ad contracted on a cost per thousand impressions ("CPM") or cost per day ("CPD") basis or views a video ad contracted on a cost per view ("CPV") basis.
Adjusted EBITDA was $441.9 million for the year ended December 31, 2022, as compared to $814.4 million for the year ended December 31, 2021, due to the factors described above.
Adjusted EBITDA was $683.5 million for the year ended December 31, 2023, as compared to $441.9 million for the year ended December 31, 2022, due to the factors described above.
For the years ended December 31, 2022, 2021 and 2020, our net cash flows were as follows (in thousands): Year Ended December 31, 2022 2021 2020 Net cash provided by (used in): Operating activities $ 469,202 $ 752,907 $ 28,826 Investing activities $ (128,245) $ (25,858) $ (47,623) Financing activities $ (148,927) $ 22,162 $ 19,638 Operating activities Cash flows from operating activities consist of our net income (loss) adjusted for certain non-cash reconciling items, such as share-based compensation expense, depreciation and amortization, non-cash charitable contributions and changes in our operating assets and liabilities.
For the years ended December 31, 2023 and 2022, our net cash flows were as follows (in thousands): Year Ended December 31, 2023 2022 Net cash provided by (used in): Operating activities $ 612,961 $ 469,202 Investing activities $ (36,993) $ (128,245) Financing activities $ (826,763) $ (148,927) Operating activities Cash flows from operating activities consist of our net income (loss) adjusted for certain non-cash reconciling items, such as share-based compensation expense, depreciation and amortization, non-cash charitable contributions and changes in our operating assets and liabilities.
The following table sets forth our consolidated statements of operations data (as a percentage of revenue): Year Ended December 31, 2022 2021 2020 Revenue 100 % 100 % 100 % Costs and expenses: Cost of revenue 24 21 27 Research and development 34 30 36 Sales and marketing 33 25 26 General and administrative 12 12 20 Total costs and expenses 104 87 108 Income (loss) from operations (4) 13 (8) Interest income 1 — 1 Interest expense and other income (expense), net (1) — — Income (loss) before provision for income taxes (3) 12 (8) Provision for income taxes — — — Net income (loss) (3) % 12 % (8) % 51 Part II Years Ended December 31, 2022 and 2021 Revenue Year Ended December 31, 2022 2021 % change (in thousands) Revenue $ 2,802,574 $ 2,578,027 9% Revenue for the year ended December 31, 2022 increased by $224.5 million compared to the year ended December 31, 2021.
The following table sets forth our consolidated statements of operations data (as a percentage of revenue): Year Ended December 31, 2023 2022 2021 Revenue 100 % 100 % 100 % Costs and expenses: Cost of revenue 23 24 21 Research and development 35 34 30 Sales and marketing 30 33 25 General and administrative 17 12 12 Total costs and expenses 104 104 87 Income (loss) from operations (4) (4) 13 Interest income (expense), net 3 1 — Other income (expense), net — (1) — Income (loss) before provision for income taxes (1) (3) 12 Provision for income taxes 1 — — Net income (loss) (1 %) (3 %) 12 % 52 Part II Years Ended December 31, 2023 and 2022 Revenue Year Ended December 31, 2023 2022 % change (in thousands) Revenue $ 3,055,071 $ 2,802,574 9% Revenue for the year ended December 31, 2023 increased by $252.5 million compared to the year ended December 31, 2022 primarily due to growth in demand from our awareness and conversion objectives.
Quarterly average revenue per user 47 Part II For the year ended December 31, 2022, global ARPU was $6.36, which represents an increase of 10% compared to the year ended December 31, 2021.
Quarterly average revenue per user For the year ended December 31, 2023, global ARPU was $6.44, which represents an increase of 1% compared to the year ended December 31, 2022.
Net cash provided by operating activities decreased by $283.7 million for the year ended December 31, 2022 compared to the year ended December 31, 2021, primarily due to decrease in our net income (loss) offset by an increase in collections of accounts receivable.
Net cash provided by operating activities increased by $143.8 million for the year ended December 31, 2023 compared to the year ended December 31, 2022, primarily due to decrease in our net income (loss) after adjusting reconciling items offset by an increase in collections of accounts receivable.
We use Adjusted EBITDA to evaluate our operating results and for financial and operational decision-making purposes. We believe Adjusted EBITDA helps identify underlying trends in our business that could otherwise be masked by the effect of the income and expenses that it excludes.
We believe Adjusted EBITDA helps identify underlying trends in our business that could otherwise be masked by the effect of the income and expenses that it excludes.
Provision for income taxes Year Ended December 31, 2022 2021 % change (in thousands) Provision for income taxes $ 10,103 $ 4,533 123% Provision for income taxes was primarily due to income generated in U.S. federal, state and certain foreign jurisdictions for each of the periods presented and for the year ended December 31, 2022 includes the effects of the capitalization and amortization of research and development expenses as required by the 2017 Tax Cuts and Jobs Act. 53 Part II Net income (loss) and adjusted EBITDA Year Ended December 31, 2022 2021 % change (in thousands) Net income (loss) $ (96,047) $ 316,438 (130) % Adjusted EBITDA $ 441,935 $ 814,369 (46) % Net loss for the year ended December 31, 2022 was $96.0 million, as compared to net income of $316.4 million for the year ended December 31, 2021.
Provision for i ncome t axes Year Ended December 31, 2023 2022 % change (in thousands) Provision for income taxes $ 19,170 $ 10,103 90% Provision for income taxes was primarily due to income generated in U.S. federal, state and certain foreign jurisdictions, and includes the effects of the capitalization and amortization of research and development expenses as required by the 2017 Tax Cuts and Jobs Act, for each of the periods presented. 54 Part II Net income (loss) and adjusted EBITDA Year Ended December 31, 2023 2022 % change (in thousands) Net income (loss) $ (35,610) $ (96,047) 63% Adjusted EBITDA $ 683,463 $ 441,935 55% Net income (loss) for the year ended December 31, 2023 was $(35.6) million, as compared to $(96.0) million for the year ended December 31, 2022.
We use MAUs and ARPU to assess the growth and health of the overall business and believe that these metrics best reflect our ability to attract, retain, engage and monetize our users, and thereby drive revenue. 48 Part II Non-GAAP financial measure To supplement our consolidated financial statements presented in accordance with GAAP, we consider Adjusted EBITDA, a financial measure which is not based on any standardized methodology prescribed by GAAP.
For the year ended December 31, 2023, U.S. and Canada ARPU was $25.52, an increase of 5%, Europe ARPU was $3.73, an increase of 15%, and Rest of World ARPU was $0.50, an increase of 17% compared to the year ended December 31, 2022. 48 Part II We use MAUs and ARPU to assess the growth and health of the overall business and believe that these metrics best reflect our ability to attract, retain, engage and monetize our users, and thereby drive revenue. 49 Part II Non-GAAP financial measure To supplement our consolidated financial statements presented in accordance with GAAP, we consider Adjusted EBITDA, a financial measure which is not based on any standardized methodology prescribed by GAAP.
Net cash used in investing activities increased by $102.4 million for the year ended December 31, 2022 compared to the year ended December 31, 2021 due to the acquisition of The Yes Platform, Inc., increased purchases of property and equipment and intangible assets, and a net increase in marketable securities.
Net cash used in investing activities decreased by $91.3 million for the year ended December 31, 2023 compared to the year ended December 31, 2022 due to the acquisition of The Yes in the second quarter of 2022, and a decrease in purchases of property and equipment and intangible assets, offset by an increase in net purchases of marketable securities.
Net cash used in financing activities increased by $171.1 million for the year ended December 31, 2022 compared to the year ended December 31, 2021 primarily due to our transition to net settling the tax remittances on release of RSUs and RSAs in the second quarter of 2022.
Net cash used in financing activities increased by $677.8 million for the year ended December 31, 2023 compared to the year ended December 31, 2022 primarily due to the $500.0 million repurchase of Class A common stock during the year ended December 31, 2023, as well as our transition to net settling the tax remittances on release of RSUs and RSAs in the second quarter of 2022.
The obligations under the 2022 revolving credit facility are secured by liens on substantially all of our domestic assets, including certain domestic intellectual property assets. There are no amounts outstanding under this facility as of December 31, 2022.
The obligations under the 2022 revolving credit facility are secured by liens on substantially all of our domestic assets, including certain domestic intellectual property assets. Our total borrowing capacity under the revolving credit facility is $500.0 million as of December 31, 2023.
Overview of 2022 results Our key financial and operating results as of and for the year ended December 31, 2022 are as follows: • Revenue was $2,802.6 million, an increase of 9% compared to 2021. • Monthly active users ("MAUs") were 450 million, an increase of 4% compared to December 31, 2021. • Share-based compensation expense was $497.1 million, an increase of $81.7 million compared to 2021. • Total costs and expenses were $2,904.3 million. • Loss from operations was $101.7 million. • Net loss was $96.0 million. • Adjusted EBITDA was $441.9 million. • Cash, cash equivalents and marketable securities were $2,698.2 million. • Headcount was 3,987.
Overview of 2023 results Our key financial and operating results as of and for the year ended December 31, 2023 are as follows: • Revenue was $3,055.1 million, an increase of 9% compared to 2022. • Monthly active users ("MAUs") were 498 million, an increase of 11% compared to December 31, 2022. • Share-based compensation expense was $647.9 million, an increase of $150.7 million compared to 2022. • Total costs and expenses were $3,180.7 million, including $126.9 million of restructuring charges . • Loss from operations was $125.7 million. • Net loss was $35.6 million. • Adjusted EBITDA was $683.5 million. • Cash, cash equivalents and marketable securities were $2,511.1 million. • Headcount was 4,014 .
The 2022 revolving credit facility also contains an accordion option which, if exercised, would allow us to increase the aggregate commitments by up to $405.0 million provided we are able to secure additional lender commitments and satisfy certain other conditions.
In October 2022, we replaced the $500.0 million revolving credit facility entered into in November 2018 with an amended and restated five-year $400.0 million revolving credit facility (the “2022 revolving credit facility”) that contained an accordion option which, if exercised, would allow us to increase the aggregate commitments by up to $405.0 million provided we are able to secure additional lender commitments and satisfy certain other conditions.
See “Non-GAAP Financial Measure” for more information and for a reconciliation of net income (loss), the most directly comparable financial measure calculated and presented in accordance with GAAP, to Adjusted EBITDA. 50 Part II Results of operations The following tables set forth our consolidated statements of operations data (in thousands): Year Ended December 31, 2022 2021 2020 Revenue $ 2,802,574 $ 2,578,027 $ 1,692,658 Costs and expenses (1) : Cost of revenue 678,597 529,320 449,358 Research and development 948,980 780,264 606,194 Sales and marketing 933,133 641,279 442,807 General and administrative 343,541 300,977 336,803 Total costs and expenses 2,904,251 2,251,840 1,835,162 Income (loss) from operations (101,677) 326,187 (142,504) Interest income 30,943 4,204 16,119 Interest expense and other income (expense), net (15,210) (9,420) (635) Income (loss) before provision for income taxes (85,944) 320,971 (127,020) Provision for income taxes 10,103 4,533 1,303 Net income (loss) $ (96,047) $ 316,438 $ (128,323) Adjusted EBITDA (2) $ 441,935 $ 814,369 $ 305,004 (1) Includes share-based compensation expense as follows (in thousands): Year Ended December 31, 2022 2021 2020 Cost of revenue $ 7,629 $ 7,438 $ 7,865 Research and development 324,161 309,715 218,718 Sales and marketing 99,467 52,691 35,645 General and administrative 65,866 45,538 58,792 Total share-based compensation $ 497,123 $ 415,382 $ 321,020 (2) See “Non-GAAP Financial Measure” for more information and for a reconciliation of net income (loss), the most directly comparable financial measure calculated and presented in accordance with GAAP, to Adjusted EBITDA.
See “Non-GAAP Financial Measure” for more information and for a reconciliation of net income (loss), the most directly comparable financial measure calculated and presented in accordance with GAAP, to Adjusted EBITDA. 51 Part II Results of operations The following tables set forth our consolidated statements of operations data (in thousands): Year Ended December 31, 2023 2022 2021 Revenue $ 3,055,071 $ 2,802,574 $ 2,578,027 Costs and expenses (1) : Cost of revenue 688,760 678,597 529,320 Research and development 1,068,416 948,980 780,264 Sales and marketing 911,166 933,133 641,279 General and administrative 512,407 343,541 300,977 Total costs and expenses 3,180,749 2,904,251 2,251,840 Income (loss) from operations (125,678) (101,677) 326,187 Interest income (expense), net 105,439 30,235 3,075 Other income (expense), net 3,799 (14,502) (8,291) Income (loss) before provision for income taxes (16,440) (85,944) 320,971 Provision for income taxes 19,170 10,103 4,533 Net income (loss) $ (35,610) $ (96,047) $ 316,438 Adjusted EBITDA (2) $ 683,463 $ 441,935 $ 814,369 (1) Includes share-based compensation expense as follows (in thousands): Year Ended December 31, 2023 2022 2021 Cost of revenue $ 11,117 $ 7,629 $ 7,438 Research and development 422,964 324,161 309,715 Sales and marketing 96,798 99,467 52,691 General and administrative 116,981 65,866 45,538 Total share-based compensation $ 647,860 $ 497,123 $ 415,382 (2) See “Non-GAAP Financial Measure” for more information and for a reconciliation of net income (loss), the most directly comparable financial measure calculated and presented in accordance with GAAP, to Adjusted EBITDA.
We define Adjusted EBITDA as net income (loss) adjusted to exclude depreciation and amortization expense, share-based compensation expense, interest income, interest expense and other income (expense), net, provision for income taxes, non-cash charitable contributions, and for the third quarter of 2020, a one-time payment for the termination of a future lease contract.
We define Adjusted EBITDA as net income (loss) adjusted to exclude depreciation and amortization expense, share-based compensation expense, interest income (expense), net, other income (expense), net, provision for income taxes, restructuring charges and non-cash charitable contributions.
General and administrative Year Ended December 31, 2022 2021 % change (in thousands) General and administrative $ 343,541 $ 300,977 14% Percentage of revenue 12 % 12 % General and administrative for the year ended December 31, 2022 increased by $42.6 million compared to the year ended December 31, 2021.
General and a dministrative Year Ended December 31, 2023 2022 % change (in thousands) General and administrative $ 512,407 $ 343,541 49% Percentage of revenue 17 % 12 % General and administrative for the year ended December 31, 2023 increased by $168.9 million compared to the year ended December 31, 2022.
Research and development Year Ended December 31, 2022 2021 % change (in thousands) Research and development $ 948,980 $ 780,264 22% Percentage of revenue 34 % 30 % Research and development for the year ended December 31, 2022 increased by $168.7 million compared to the year ended December 31, 2021.
Research and d evelopment Year Ended December 31, 2023 2022 % change (in thousands) Research and development $ 1,068,416 $ 948,980 13% Percentage of revenue 35 % 34 % Research and development for the year ended December 31, 2023 increased by $119.4 million compared to the year ended December 31, 2022.
For the year ended December 31, 2022 compared to the year ended December 31, 2021, revenue based on our estimate of the geographic location of our users increased by 8% in the U.S. and Canada to $2,309.3 million driven by a 16% increase in U.S. and Canada ARPU offset by a 6% decrease in average U.S. and Canada MAUs.
For the year ended December 31, 2023 compared to the year ended December 31, 2022, revenue based on our estimate of the geographic location of our users increased by 6% in the U.S. and Canada to $2,447.3 million, Europe revenue increased by 21% to $483.4 million and Rest of World revenue increased by 31% to $124.4 million.
Cost of revenue Year Ended December 31, 2022 2021 % change (in thousands) Cost of revenue $ 678,597 $ 529,320 28% Percentage of revenue 24 % 21 % Cost of revenue for the year ended December 31, 2022 increased by $149.3 million compared to the year ended December 31, 2021.
Cost of r evenue Year Ended December 31, 2023 2022 % change (in thousands) Cost of revenue $ 688,760 $ 678,597 1% Percentage of revenue 23 % 24 % Cost of revenue for the year ended December 31, 2023 increased by $10.2 million compared to the year ended December 31, 2022.
This allocation differs from our disclosure of revenue disaggregated by geography in the notes to our consolidated financial statements where revenue is geographically apportioned based on our customers’ billing addresses. U.S. and Canada, Europe and Rest of World may not sum to Global and quarterly amounts may not sum to annual due to rounding. Average Revenue per User (“ARPU”).
This allocation differs from our disclosure of revenue disaggregated by geography in the notes to our consolidated financial statements where revenue is geographically apportioned based on our customers’ billing addresses.
Our material cash requirements include our $2,357.1 million commitment with Amazon Web Services, for which we are not subject to annual purchase commitments, and our $270.6 million of operating lease obligations, of which $59.0 million is due within the next 12 months.
Our material cash requirements include our $1,754.6 million commitment with Amazon Web Services, for which we are not subject to annual purchase commitments, and our $241.0 million of operating lease obligations, of which $42.9 million is due within the next 12 months. 55 Part II On September 16, 2023, our board of directors authorized a new stock repurchase program of up to $1.0 billion of our Class A common stock.
Our revenue in U.S. and Canada and, to a lesser extent, Europe is higher primarily due to the relative size and maturity of the digital advertising markets in these geographies.
Our revenue in U.S. and Canada and, to a lesser extent, Europe is higher primarily due to the relative size and maturity of the digital advertising markets in these geographies. Quarterly revenue (in millions) Note: Revenue by geography in the charts above is geographically apportioned based on our estimate of users' geographic location when they perform a revenue-generating activity.
We typically bill customers on a CPC, CPM or CPV basis, and our payment terms vary by customer type and location. The term between billing and payment due dates is not significant. We recognize revenue only after satisfying our contractual performance obligations. We occasionally offer customers free ad inventory.
We recognize revenue over the service period for ads contracted on a CPD basis, which do not contain minimum impression guarantees. We typically bill customers on a CPC, CPM, CPV, or CPD basis, and our payment terms vary by customer type and location. The term between billing and payment due dates is not significant.
The increase was primarily due to a 20% increase in average headcount, which drove higher personnel expenses, a $14.4 million increase in share-based compensation expense, as well as higher allocated facilities costs and outsourced services. 52 Part II Sales and marketing Year Ended December 31, 2022 2021 % change (in thousands) Sales and marketing $ 933,133 $ 641,279 46% Percentage of revenue 33 % 25 % Sales and marketing for the year ended December 31, 2022 increased by $291.9 million compared to the year ended December 31, 2021.
The increase was primarily due to a $98.8 million increase in share-based compensation expense and a 13% increase in personnel expenses, partially offset by a $17.1 million decrease in allocated facilities costs and lower outsourced services costs. 53 Part II Sales and marketing Year Ended December 31, 2023 2022 % change (in thousands) Sales and marketing $ 911,166 $ 933,133 (2%) Percentage of revenue 30 % 33 % Sales and marketing for the year ended December 31, 2023 decreased by $22.0 million compared to the year ended December 31, 2022.
The increase was primarily due to an $82.0 million increase in marketing expenses; higher personnel expenses due to a 24% increase in average headcount and $11.1 million of severance and related payments resulting from the departure of certain key employees of The Yes; $46.8 million of share-based compensation expense, which includes $22.9 million of share-based compensation expense resulting from the departure of certain key employees of The Yes; higher outsourced services costs; and a $15.5 million increase in amortization of acquired intangible assets.
The decrease was primarily due to a $21.4 million decrease in marketing expenses, a $15.0 million decrease in amortization of acquired intangible assets, and an $11.1 million decrease due to severance and related payments resulting from the departure of certain key employee of The Yes Platform, Inc.
We define Adjusted EBITDA as net income (loss) adjusted to exclude depreciation and amortization expense, share-based compensation expense, interest income, interest expense and other income (expense), net, provision for income taxes, non-cash charitable contributions, and for the third quarter of 2020, a one-time payment for the termination of a future lease contract.
We define Adjusted EBITDA as net income (loss) adjusted to exclude depreciation and amortization expense, share-based compensation expense, interest income (expense), net, other income (expense), net, provision for income taxes, restructuring charges and non-cash charitable contributions. We use Adjusted EBITDA to evaluate our operating results and for financial and operational decision-making purposes.
Cost of revenue consists primarily of expenses associated with the delivery of our service, including the cost of hosting our website and mobile application.
We recognize revenue over the service period for ads contracted on a CPD basis, which do not contain minimum impression guarantees. Cost of Revenue. Cost of revenue consists primarily of expenses associated with the delivery of our service, including the cost of hosting our website and mobile application.
The program does not obligate us to repurchase any specific number of shares and may be modified, suspended or discontinued at any time.
The program does not obligate us to repurchase any specific number of shares and may be modified, suspended or discontinued at any time. The timing, manner, price and amount of any repurchases are determined by management in its discretion and depend on a variety of factors, including legal requirements, price and economic and market conditions.
The increase was primarily due to higher absolute hosting costs due to higher compute utilization and an $8.0 million increase in amortization of acquired intangible assets.
The increase was primarily due to higher absolute hosting costs due to higher compute utilization offset by infrastructure efficiency initiatives.
We actively monitor the relationship of WAUs to MAUs, which has stayed relatively consistent over time. As of December 31, 2022, the proportion of WAUs to MAUs was 61%.
As of December 31, 2023, the proportion of WAUs to MAUs, which has stayed relatively consistent over time, was 61%. As of December 31, 2023, global MAUs increased compared to December 31, 2022 primarily due to our investments in relevance and personalization beginning in the second quarter of 2022. 46 Part II Trends in monetization metrics Revenue.
The increase was primarily due to a 20% increase in average headcount, which drove higher personnel expenses, as well as a $20.3 million increase in share-based compensation expense primarily due to options and restricted stock awards granted to our new Chief Executive Officer, as well as higher allocated facilities, taxes and bad debt expenses offset by $45.3 million of non-cash charitable contributions made in 2021.
The increase was primarily due to $119.4 million of restructuring charges, a $51.1 million increase in share-based compensation expense, $12.9 million in non-cash charitable contributions and a 8% increase in personnel expenses, offset by lower allocated facilities costs.
See "Risk Factors" and "Note About Forward-Looking Statements” for additional details. 44 Part II Trends in user metrics Monthly Active Users.
Refer to Note 13 to our consolidated financial statements for further information on our restructuring charges. 44 Part II Trends in user metrics Monthly Active Users.