impressions are delivered when a sold advertisement appears on pages viewed by users of our mobile applications and websites . effective february 17 , 2015 , zillow group acquired trulia , inc. ( trulia ) , and each of zillow and trulia became wholly owned subsidiaries of zillow group . the total purchase price of trulia was approximately 45 $ 2.0 billion . we have included trulia in zillow group 's results of operations prospectively after february 17 , 2015 , the date of acquisition . because the trulia acquisition occurred during the year ended december 31 , 2015 , the information presented in this report with respect to the year ended december 31 , 2015 relates to zillow on a standalone basis prior to february 17 , 2015 and to zillow group after february 17 , 2015 , whereas the information presented in this section with respect to the year ended december 31 , 2016 relates to zillow group . results of operations , including marketplace revenue , for the year ended december 31 , 2015 include market leader revenue from february 17 , 2015 through september 30 , 2015 , the date we divested the market leader business , whereas the information presented in this report with respect to the year ended december 31 , 2016 does not include market leader revenue . as a result , comparisons to the prior-year period may not be indicative of future results or future rates of growth . for additional information regarding the transaction with trulia , see note 7 to our consolidated financial statements . overview of significant milestones and results the following is a summary of our significant milestones for the year ended december 31 , 2016 : in february , we completed the acquisition of naked apartments , inc. ( naked apartments ) , new york city 's largest rentals-only platform . the total purchase price for the acquisition of naked apartments was approximately $ 13.2 million . based on the allocation of the purchase price in connection with our acquisition of naked apartments , a substantial majority of the purchase price has been allocated to goodwill and intangible assets . for additional information regarding the transaction with naked apartments , see note 7 to our consolidated financial statements . in february , we launched a new national advertising campaign , home. the campaign featured real people sharing their own personal stories of what makes home special to them . each spot showcases a different person 's story , and each of their stories illustrates how home is uniquely individual to everyone , yet universally core to our lives . in february , we launched video walkthroughs on for-sale listings , providing home buyers with a new and more immersive way to envision themselves in a home . video walkthroughs are short videos that give buyers more information about a home 's key features and special attributes than photos alone can provide . in april , we launched owner dashboard , a new feature which gives home sellers a detailed view of how home buyers are interacting with their listing on zillow . sellers can see , in real time , the number of times their listing has been viewed or saved by potential home buyers , and how that activity compares to similar homes on the market . in june , we launched an update to the zestimate algorithm , improving accuracy across the country . the updated algorithm is expected to improve the national median error rate from 8 % to 4.5 % and improve accuracy in 96 of the 100 largest counties in the u.s. in june , we announced the addition of a new feature called renter profile , whereby renters searching zillow can get all of their pertinent information in front of a landlord or property manager faster and easier than ever before . in august , we completed the acquisition of bridge interactive group , llc ( bridge interactive ) . bridge interactive is a creator of broker and multiple listing service ( mls ) back-office software that streamlines the listing management process . for additional information about the acquisition of bridge interactive , see note 7 to our consolidated financial statements . in august , we completed the sale of the diverse solutions business . in october , we announced the launch of premier broker , a new platform designed to streamline the lead acquisition and management process with new tools and services . in november , we launched video walkthroughs on rental listings , providing renters with a new and more immersive way to envision themselves in a rental home . 46 in december , we announced the closing of our private offering of $ 460.0 million aggregate principal amount of 2.00 % convertible senior notes due 2021 ( the 2021 notes ) . we used approximately $ 370.2 million of the net proceeds from the issuance of the 2021 notes to repurchase a portion of the outstanding 2.75 % convertible senior notes due 2020 of trulia , llc ( the 2020 notes ) in privately negotiated transactions . in addition , we used approximately $ 36.6 million of the net proceeds from the issuance of the 2021 notes to pay the cost of the capped call transactions with the initial purchaser of the 2021 notes and two additional financial institutions ( capped call confirmations ) . for additional information regarding the 2021 notes and the 2020 notes , see note 11 to our consolidated financial statements . we have experienced significant revenue growth over the past three years . in 2014 , 2015 and 2016 we focused on growing our marketplace revenue , which accounted for the majority of our revenue growth over that period . the increase in marketplace revenue resulted primarily from growth in our premier agent program . story_separator_special_tag 51 results of operations the following tables present our results of operations for the periods indicated and as a percentage of total revenue : year ended december 31 , 2016 2015 2014 ( in thousands , except per share data ) statements of operations data : revenue $ 846,589 $ 644,677 $ 325,893 costs and expenses : cost of revenue ( exclusive of amortization ) ( 1 ) ( 2 ) 71,591 61,614 29,461 sales and marketing ( 1 ) 380,919 307,089 169,462 technology and development ( 1 ) 273,066 198,565 84,669 general and administrative ( 1 ) 313,695 170,445 65,503 acquisition-related costs 1,423 16,576 21,493 restructuring costs ( 1 )  35,551  loss ( gain ) on divestiture of businesses ( 1,251 ) 4,368  total costs and expenses 1,039,443 794,208 370,588 loss from operations ( 192,854 ) ( 149,531 ) ( 44,695 ) loss on debt extinguishment ( 22,757 )   other income 2,711 1,501 1,085 interest expense ( 7,408 ) ( 5,489 )  loss before income taxes ( 220,308 ) ( 153,519 ) ( 43,610 ) income tax benefit ( expense ) ( 130 ) 4,645  net loss $ ( 220,438 ) $ ( 148,874 ) $ ( 43,610 ) net loss per sharebasic and diluted $ ( 1.22 ) $ ( 0.88 ) $ ( 0.36 ) weighted-average shares outstandingbasic and diluted 180,149 169,767 120,027 other financial data : adjusted ebitda ( unaudited ) ( 3 ) $ 14,826 $ 87,564 $ 49,766 ( 1 ) includes share-based compensation as follows : cost of revenue $ 5,923 $ 4,694 $ 1,844 sales and marketing 23,320 25,391 7,320 technology and development 31,466 26,849 11,681 general and administrative 46,209 48,280 13,240 restructuring costs  14,859  total $ 106,918 $ 120,073 $ 34,085 ( 2 ) amortization of website development costs and intangible assets included in technology and development $ 84,951 $ 63,189 $ 29,487 ( 3 ) see adjusted ebitda below for more information and for a reconciliation of adjusted ebitda to net loss , the most directly comparable financial measure calculated and presented in accordance with u.s. generally accepted accounting principles , or gaap . adjusted ebitda for the year ended december 31 , 2016 includes the impact of the settlement of a lawsuit in june 2016 whereby the company paid $ 130.0 million in connection with a release of all claims . 52 replace_table_token_8_th adjusted ebitda to provide investors with additional information regarding our financial results , we have disclosed adjusted ebitda within this annual report on form 10-k , a non-gaap financial measure . we have provided a reconciliation below of adjusted ebitda to net loss , the most directly comparable gaap financial measure . we have included adjusted ebitda in this annual report on form 10-k as it is a key metric used by our management and board of directors to measure operating performance and trends and to prepare and approve our annual budget . in particular , the exclusion of certain expenses in calculating adjusted ebitda facilitates operating performance comparisons on a period-to-period basis . our use of adjusted ebitda has limitations as an analytical tool , and you should not consider it in isolation or as a substitute for analysis of our results as reported under gaap . some of these limitations are : adjusted ebitda does not reflect our cash expenditures or future requirements for capital expenditures or contractual commitments ; adjusted ebitda does not reflect changes in , or cash requirements for , our working capital needs ; adjusted ebitda does not consider the potentially dilutive impact of share-based compensation ; although depreciation and amortization are non-cash charges , the assets being depreciated and amortized may have to be replaced in the future , and adjusted ebitda does not reflect cash capital expenditure requirements for such replacements or for new capital expenditure requirements ; adjusted ebitda does not reflect the impairment of certain acquired intangible assets ; adjusted ebitda does not reflect income taxes ; adjusted ebitda does not reflect acquisition-related costs ; adjusted ebitda does not reflect restructuring costs ; adjusted ebitda does not reflect the loss ( gain ) on divestiture of businesses ; adjusted ebitda does not reflect interest expense or other income ; 53 adjusted ebitda does not reflect the loss on debt extinguishment ; and other companies , including companies in our own industry , may calculate adjusted ebitda differently than we do , limiting its usefulness as a comparative measure . because of these limitations , you should consider adjusted ebitda alongside other financial performance measures , including various cash flow metrics , net loss and our other gaap results . the following table presents a reconciliation of adjusted ebitda to net loss for each of the periods presented : replace_table_token_9_th ( 1 ) adjusted ebitda for the year ended december 31 , 2016 includes the impact of the settlement of a lawsuit in june 2016 whereby the company paid $ 130.0 million in connection with a release of all claims . year ended december 31 , 2016 compared to year ended december 31 , 2015 revenue replace_table_token_10_th 54 replace_table_token_11_th overall revenue increased by $ 201.9 million , or 31 % , for the year ended december 31 , 2016 compared to the year ended december 31 , 2015. marketplace revenue increased by 40 % , and display revenue decreased by 23 % . marketplace revenue grew to $ 778.1 million for the year ended december 31 , 2016 from $ 555.9 million for the year ended december 31 , 2015 , an increase of $ 222.2 million . marketplace revenue represented 92 % of total revenue for the year ended december 31 , 2016 compared to 86 % of total revenue for the year ended december 31 , 2015. the increase in marketplace revenue was primarily attributable to the $ 157.4 million increase in premier agent revenue , which was positively impacted by an increase in the number

net cash provided by operating activities our operating cash flows result primarily from cash received from real estate professionals , mortgage professionals , rental professionals and brand advertisers . our primary uses of cash from operating activities include payments for marketing and advertising activities and employee benefits and compensation . additionally , uses of cash from operating activities include costs associated with operating our mobile applications and websites and other general corporate expenditures . for the year ended december 31 , 2016 , net cash provided by operating activities was $ 8.6 million . this was driven by a net loss of $ 220.4 million , including the impact of the settlement of a lawsuit for $ 130.0 million in june 2016 , adjusted by share-based compensation expense of $ 106.9 million , depreciation and amortization expense of $ 100.6 million , a loss on debt extinguishment of $ 22.8 million , a loss on disposal of property and equipment of $ 3.7 million , an increase in bad debt expense of $ 2.7 million , an increase in the balance of deferred rent of $ 1.7 million , amortization of bond premium of $ 1.5 million , a $ 1.4 million gain on the divestiture of a business , a $ 1.4 million non-cash change in the valuation allowance related to a deferred tax liability generated in connection with our february 2016 acquisition of naked apartments , and amortization of the discount and issuance costs on the 2021 notes of $ 0.9 million . changes in operating assets and liabilities decreased cash provided by operating activities by $ 8.9 million . the decrease in operating assets and liabilities is primarily due to a $ 13.3 million decrease in accounts receivable driven by the timing of payments received , a $ 13.3 million decrease in prepaid expenses and other assets driven by the timing of payments made , and a $ 12.5 million increase in accrued compensation and benefits due primarily to an increase in sales commissions driven by increased sales as well as the timing of payroll .


 Write a concise suspicious activity report of the following text delimited by triple backquotes. Return your response as a formal report which covers the key points highlighting the location,dates,entity names and account holder information in chronological order of the text.
     ```net cash provided by operating activities our operating cash flows result primarily from cash received from real estate professionals , mortgage professionals , rental professionals and brand advertisers . our primary uses of cash from operating activities include payments for marketing and advertising activities and employee benefits and compensation . additionally , uses of cash from operating activities include costs associated with operating our mobile applications and websites and other general corporate expenditures . for the year ended december 31 , 2016 , net cash provided by operating activities was $ 8.6 million . this was driven by a net loss of $ 220.4 million , including the impact of the settlement of a lawsuit for $ 130.0 million in june 2016 , adjusted by share-based compensation expense of $ 106.9 million , depreciation and amortization expense of $ 100.6 million , a loss on debt extinguishment of $ 22.8 million , a loss on disposal of property and equipment of $ 3.7 million , an increase in bad debt expense of $ 2.7 million , an increase in the balance of deferred rent of $ 1.7 million , amortization of bond premium of $ 1.5 million , a $ 1.4 million gain on the divestiture of a business , a $ 1.4 million non-cash change in the valuation allowance related to a deferred tax liability generated in connection with our february 2016 acquisition of naked apartments , and amortization of the discount and issuance costs on the 2021 notes of $ 0.9 million . changes in operating assets and liabilities decreased cash provided by operating activities by $ 8.9 million . the decrease in operating assets and liabilities is primarily due to a $ 13.3 million decrease in accounts receivable driven by the timing of payments received , a $ 13.3 million decrease in prepaid expenses and other assets driven by the timing of payments made , and a $ 12.5 million increase in accrued compensation and benefits due primarily to an increase in sales commissions driven by increased sales as well as the timing of payroll .
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 Suspicious Activity Report : impressions are delivered when a sold advertisement appears on pages viewed by users of our mobile applications and websites . effective february 17 , 2015 , zillow group acquired trulia , inc. ( trulia ) , and each of zillow and trulia became wholly owned subsidiaries of zillow group . the total purchase price of trulia was approximately 45 $ 2.0 billion . we have included trulia in zillow group 's results of operations prospectively after february 17 , 2015 , the date of acquisition . because the trulia acquisition occurred during the year ended december 31 , 2015 , the information presented in this report with respect to the year ended december 31 , 2015 relates to zillow on a standalone basis prior to february 17 , 2015 and to zillow group after february 17 , 2015 , whereas the information presented in this section with respect to the year ended december 31 , 2016 relates to zillow group . results of operations , including marketplace revenue , for the year ended december 31 , 2015 include market leader revenue from february 17 , 2015 through september 30 , 2015 , the date we divested the market leader business , whereas the information presented in this report with respect to the year ended december 31 , 2016 does not include market leader revenue . as a result , comparisons to the prior-year period may not be indicative of future results or future rates of growth . for additional information regarding the transaction with trulia , see note 7 to our consolidated financial statements . overview of significant milestones and results the following is a summary of our significant milestones for the year ended december 31 , 2016 : in february , we completed the acquisition of naked apartments , inc. ( naked apartments ) , new york city 's largest rentals-only platform . the total purchase price for the acquisition of naked apartments was approximately $ 13.2 million . based on the allocation of the purchase price in connection with our acquisition of naked apartments , a substantial majority of the purchase price has been allocated to goodwill and intangible assets . for additional information regarding the transaction with naked apartments , see note 7 to our consolidated financial statements . in february , we launched a new national advertising campaign , home. the campaign featured real people sharing their own personal stories of what makes home special to them . each spot showcases a different person 's story , and each of their stories illustrates how home is uniquely individual to everyone , yet universally core to our lives . in february , we launched video walkthroughs on for-sale listings , providing home buyers with a new and more immersive way to envision themselves in a home . video walkthroughs are short videos that give buyers more information about a home 's key features and special attributes than photos alone can provide . in april , we launched owner dashboard , a new feature which gives home sellers a detailed view of how home buyers are interacting with their listing on zillow . sellers can see , in real time , the number of times their listing has been viewed or saved by potential home buyers , and how that activity compares to similar homes on the market . in june , we launched an update to the zestimate algorithm , improving accuracy across the country . the updated algorithm is expected to improve the national median error rate from 8 % to 4.5 % and improve accuracy in 96 of the 100 largest counties in the u.s. in june , we announced the addition of a new feature called renter profile , whereby renters searching zillow can get all of their pertinent information in front of a landlord or property manager faster and easier than ever before . in august , we completed the acquisition of bridge interactive group , llc ( bridge interactive ) . bridge interactive is a creator of broker and multiple listing service ( mls ) back-office software that streamlines the listing management process . for additional information about the acquisition of bridge interactive , see note 7 to our consolidated financial statements . in august , we completed the sale of the diverse solutions business . in october , we announced the launch of premier broker , a new platform designed to streamline the lead acquisition and management process with new tools and services . in november , we launched video walkthroughs on rental listings , providing renters with a new and more immersive way to envision themselves in a rental home . 46 in december , we announced the closing of our private offering of $ 460.0 million aggregate principal amount of 2.00 % convertible senior notes due 2021 ( the 2021 notes ) . we used approximately $ 370.2 million of the net proceeds from the issuance of the 2021 notes to repurchase a portion of the outstanding 2.75 % convertible senior notes due 2020 of trulia , llc ( the 2020 notes ) in privately negotiated transactions . in addition , we used approximately $ 36.6 million of the net proceeds from the issuance of the 2021 notes to pay the cost of the capped call transactions with the initial purchaser of the 2021 notes and two additional financial institutions ( capped call confirmations ) . for additional information regarding the 2021 notes and the 2020 notes , see note 11 to our consolidated financial statements . we have experienced significant revenue growth over the past three years . in 2014 , 2015 and 2016 we focused on growing our marketplace revenue , which accounted for the majority of our revenue growth over that period . the increase in marketplace revenue resulted primarily from growth in our premier agent program . story_separator_special_tag 51 results of operations the following tables present our results of operations for the periods indicated and as a percentage of total revenue : year ended december 31 , 2016 2015 2014 ( in thousands , except per share data ) statements of operations data : revenue $ 846,589 $ 644,677 $ 325,893 costs and expenses : cost of revenue ( exclusive of amortization ) ( 1 ) ( 2 ) 71,591 61,614 29,461 sales and marketing ( 1 ) 380,919 307,089 169,462 technology and development ( 1 ) 273,066 198,565 84,669 general and administrative ( 1 ) 313,695 170,445 65,503 acquisition-related costs 1,423 16,576 21,493 restructuring costs ( 1 )  35,551  loss ( gain ) on divestiture of businesses ( 1,251 ) 4,368  total costs and expenses 1,039,443 794,208 370,588 loss from operations ( 192,854 ) ( 149,531 ) ( 44,695 ) loss on debt extinguishment ( 22,757 )   other income 2,711 1,501 1,085 interest expense ( 7,408 ) ( 5,489 )  loss before income taxes ( 220,308 ) ( 153,519 ) ( 43,610 ) income tax benefit ( expense ) ( 130 ) 4,645  net loss $ ( 220,438 ) $ ( 148,874 ) $ ( 43,610 ) net loss per sharebasic and diluted $ ( 1.22 ) $ ( 0.88 ) $ ( 0.36 ) weighted-average shares outstandingbasic and diluted 180,149 169,767 120,027 other financial data : adjusted ebitda ( unaudited ) ( 3 ) $ 14,826 $ 87,564 $ 49,766 ( 1 ) includes share-based compensation as follows : cost of revenue $ 5,923 $ 4,694 $ 1,844 sales and marketing 23,320 25,391 7,320 technology and development 31,466 26,849 11,681 general and administrative 46,209 48,280 13,240 restructuring costs  14,859  total $ 106,918 $ 120,073 $ 34,085 ( 2 ) amortization of website development costs and intangible assets included in technology and development $ 84,951 $ 63,189 $ 29,487 ( 3 ) see adjusted ebitda below for more information and for a reconciliation of adjusted ebitda to net loss , the most directly comparable financial measure calculated and presented in accordance with u.s. generally accepted accounting principles , or gaap . adjusted ebitda for the year ended december 31 , 2016 includes the impact of the settlement of a lawsuit in june 2016 whereby the company paid $ 130.0 million in connection with a release of all claims . 52 replace_table_token_8_th adjusted ebitda to provide investors with additional information regarding our financial results , we have disclosed adjusted ebitda within this annual report on form 10-k , a non-gaap financial measure . we have provided a reconciliation below of adjusted ebitda to net loss , the most directly comparable gaap financial measure . we have included adjusted ebitda in this annual report on form 10-k as it is a key metric used by our management and board of directors to measure operating performance and trends and to prepare and approve our annual budget . in particular , the exclusion of certain expenses in calculating adjusted ebitda facilitates operating performance comparisons on a period-to-period basis . our use of adjusted ebitda has limitations as an analytical tool , and you should not consider it in isolation or as a substitute for analysis of our results as reported under gaap . some of these limitations are : adjusted ebitda does not reflect our cash expenditures or future requirements for capital expenditures or contractual commitments ; adjusted ebitda does not reflect changes in , or cash requirements for , our working capital needs ; adjusted ebitda does not consider the potentially dilutive impact of share-based compensation ; although depreciation and amortization are non-cash charges , the assets being depreciated and amortized may have to be replaced in the future , and adjusted ebitda does not reflect cash capital expenditure requirements for such replacements or for new capital expenditure requirements ; adjusted ebitda does not reflect the impairment of certain acquired intangible assets ; adjusted ebitda does not reflect income taxes ; adjusted ebitda does not reflect acquisition-related costs ; adjusted ebitda does not reflect restructuring costs ; adjusted ebitda does not reflect the loss ( gain ) on divestiture of businesses ; adjusted ebitda does not reflect interest expense or other income ; 53 adjusted ebitda does not reflect the loss on debt extinguishment ; and other companies , including companies in our own industry , may calculate adjusted ebitda differently than we do , limiting its usefulness as a comparative measure . because of these limitations , you should consider adjusted ebitda alongside other financial performance measures , including various cash flow metrics , net loss and our other gaap results . the following table presents a reconciliation of adjusted ebitda to net loss for each of the periods presented : replace_table_token_9_th ( 1 ) adjusted ebitda for the year ended december 31 , 2016 includes the impact of the settlement of a lawsuit in june 2016 whereby the company paid $ 130.0 million in connection with a release of all claims . year ended december 31 , 2016 compared to year ended december 31 , 2015 revenue replace_table_token_10_th 54 replace_table_token_11_th overall revenue increased by $ 201.9 million , or 31 % , for the year ended december 31 , 2016 compared to the year ended december 31 , 2015. marketplace revenue increased by 40 % , and display revenue decreased by 23 % . marketplace revenue grew to $ 778.1 million for the year ended december 31 , 2016 from $ 555.9 million for the year ended december 31 , 2015 , an increase of $ 222.2 million . marketplace revenue represented 92 % of total revenue for the year ended december 31 , 2016 compared to 86 % of total revenue for the year ended december 31 , 2015. the increase in marketplace revenue was primarily attributable to the $ 157.4 million increase in premier agent revenue , which was positively impacted by an increase in the number

