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List of acquisitions by Yahoo! 

Yahoo! headquarters in Sunnyvale, California, United States
Yahoo! headquarters in Sunnyvale, California, United States

This is a list of acquisitions by Yahoo!, a computer software and web search engine company founded on March 1, 1995.[1] The company is a public corporation and its headquarters is located in Sunnyvale, California.[2] It was founded by Stanford University graduate students Jerry Yang and David Filo in 1994.[3] According to web traffic analysis companies, Yahoo! has been one of the most visited websites on the Internet, with more than 130 million unique users per month in the United States alone.[4][5][6] The global network of Yahoo! receives 3.4 billion page views per day on average as of October 2007, making it one of the most visited US websites.[5]

Yahoo!'s first acquisition was the purchase of Net Controls, a web search engine company, in September 1997 for US$1.4 million. The company's largest acquisition as of April 2008 is the purchase of Broadcast.com, an Internet radio company, for $5.7 billion, making Broadcast.com co-founder Mark Cuban a billionaire. The majority of the companies acquired by Yahoo! are based in the United States; 47 of the companies are from the United States, and eight are based in a foreign country. A total of 55 companies have been acquired as of April 2008.

Contents


Acquisitions

Acquisition date Company Business Country Value (USD) Derived products References
01997-09 September 1997 Net Controls Web search engine  USA $&0000000001400000.0000001,400,000 Yahoo! Search [7]
01997-10-08 October 8, 1997 Four11 Web-based email  USA $&0000000092000000.00000092,000,000 Yahoo! Mail [8]
01998-03-31 March 31, 1998 Classic Games Online game  USA — Yahoo! Games [9]
01998-04-29 April 29, 1998 Sportasy Fantasy sport  USA — Yahoo! Fantasy Sports [10]
01998-06-08 June 8, 1998 Viaweb Web application  USA $&0000000049000000.00000049,000,000 Yahoo! Store [11]
01998-07-17 July 17, 1998 Webcal Calendaring software  USA $&0000000021000000.00000021,000,000 Yahoo Calendar [12]
01998-10-12 October 12, 1998 Yoyodyne Direct marketing  USA $&0000000029600000.00000029,600,000 Yahoo! Search Marketing [13]
01998-12 December 1998 Hyperparallel Data analysis  USA $&0000000008000000.0000008,000,000 Yahoo! Search [14]
01999-01-15 January 15, 1999 Log-Me-On Digital identity  USA $&0000000010000000.00000010,000,000 Yahoo! [15]
01999-04-01 April 1, 1999 Broadcast.com Internet radio  USA $&0000005700000000.0000005,700,000,000 LAUNCHcast [16]
01999-05-27 May 27, 1999 Encompass Internet service provider  USA $&0000000130000000.000000130,000,000 Yahoo! [17]
01999-05-28 May 28, 1999 GeoCities Web hosting service  USA $&0000003600000000.0000003,600,000,000 Yahoo! GeoCities [18]
01999-06-02 June 2, 1999 Online Anywhere Content delivery network  USA $&0000000080000000.00000080,000,000 Yahoo! TV [19]
02000-03-23 March 23, 2000 Arthas.com E-commerce payment systems  USA — Yahoo! Store [20]
02000-04-05 April 5, 2000 MyQuest Internet service provider  USA — Yahoo! [21]
02000-08-31 August 31, 2000 eGroups Electronic mailing list  USA $&0000000432000000.000000432,000,000 Yahoo! Groups [22]
02000-11-09 November 9, 2000 Kimo Web portal  TWN $&0000000145000000.000000145,000,000 Yahoo! [23]
02001-02-14 February 14, 2001 Sold.com Online auction tools  AUS $&0000000030000000.00000030,000,000 Yahoo! Shopping [24]
02001-06-28 June 28, 2001 LAUNCH Media Online music store  USA $&0000000012000000.00000012,000,000 Yahoo! Music [25]
02002-01-11 January 11, 2002 Hotjobs.com Job search engine  USA $&0000000436000000.000000436,000,000 Yahoo! HotJobs [26]
02002-12-23 December 23, 2002 Inktomi Corporation Internet service provider  USA $&0000000235000000.000000235,000,000 Yahoo! Search [27]
02003-06-14 June 14, 2003 Overture Services, Inc. Search engine marketing  USA $&0000001630000000.0000001,630,000,000 Yahoo! Search Marketing [28]
02004-01 January 2004 3721 Internet Assistant Browser Helper Object  CHN $&0000000120000000.000000120,000,000 Yahoo! Assistant [29]
02004-03-26 March 26, 2004 Kelkoo Price comparison service  FRA $&0000000579000000.000000579,000,000 Kelkoo [30]
02004-07-12 July 12, 2004 Oddpost Web-based email  USA $&0000000030000000.00000030,000,000 Yahoo! Mail [31]
02004-09-14 September 14, 2004 Musicmatch Jukebox Audio player  USA $&0000000160000000.000000160,000,000 Yahoo! Music [32]
02004-10-02 October 2, 2004 The All-Seeing Eye Game server browser  FIN — Yahoo! Games [33]
02004-10-22 October 22, 2004 Stata Labs Web-based email  USA — Yahoo! Mail [34]
02004-12-07 December 7, 2004 WUF Networks Mobile media  USA — Yahoo! Mobile [35]
02005-02-11 February 11, 2005 Verdisoft Computer software  USA $&0000000058000000.00000058,000,000 Yahoo! Mobile [36]
02005-03-04 March 4, 2005 Stadeon Online game  USA — Yahoo! Games [37]
02005-03-20 March 20, 2005 Ludicorp Image hosting service  CAN $&0000000040000000.00000040,000,000 Flickr [38]
02005-04-12 April 12, 2005 TeRespondo Advertising network  BRA — Yahoo! Search Marketing [39]
02005-06-14 June 14, 2005 Dialpad Voice over Internet Protocol  USA — Yahoo! Voice [40]
02005-06-14 June 14, 2005 blo.gs Weblog software  USA — Yahoo! 360° [41]
02005-07-25 July 25, 2005 Konfabulator Widget engine  USA — Yahoo! Widgets [42]
02005-10-04 October 4, 2005 Upcoming.org Calendaring software  USA — Yahoo! Local [43]
02005-10-18 October 18, 2005 Whereonearth Web mapping  USA — Yahoo! Maps [44]
02005-12-12 December 12, 2005 del.icio.us Social bookmarking  USA $&0000000020000000.00000020,000,000 del.icio.us [45]
02006-01-09 January 9, 2006 Webjay Online music store  USA — Yahoo! Music [46]
02006-01-17 January 17, 2006 SearchFox Web search engine  USA — Yahoo! Search [47]
02006-04-18 April 18, 2006 Meedio Digital video recorder  USA — Yahoo! Go [48]
02006-09-27 September 27, 2006 Jumpcut.com Online video editing  USA — Yahoo! Video [49]
02006-10-17 October 17, 2006 AdInterax Online advertising  USA — Yahoo! Search Marketing [50]
02006-11-16 November 16, 2006 Bix.com Social media  USA — Bix [51]
02006-11-17 November 17, 2006 Kenet Works Mobile software  SWE $&0000000025000000.00000025,000,000 Yahoo! Mobile [52]
02006-12 December 2006 Wretch Virtual community  TWN $&0000000022000000.00000022,000,000 Wretch [53]
02007-01-08 January 8, 2007 MyBlogLog Social network service  USA — MyBlogLog [54]
02007-04-29 April 29, 2007 Right Media Online advertising  USA $&0000000680000000.000000680,000,000 Yahoo! Search Marketing [55]
02007-06-20 June 20, 2007 Rivals.com College football  USA — Yahoo! Sports [56]
02007-09-04 September 4, 2007 BlueLithium Advertising network  USA $&0000000300000000.000000300,000,000 Yahoo! Search Marketing [57]
02007-09-14 September 14, 2007 BuzzTracker News site  USA — Yahoo! News [58]
02007-09-17 September 17, 2007 Zimbra Collaborative software  USA $&0000000350000000.000000350,000,000 Zimbra [59]
02008-02-05 February 5, 2008 FoxyTunes Browser extension  USA — FoxyTunes [60]
02008-02-12 February 12, 2008 Maven Networks Video on demand  USA $&0000000160000000.000000160,000,000 Yahoo! Video [61]
02008-05-09 May 09, 2008 Inquisitor Browser extension  USA — Inquisitor [62]

References

  1. ^ "Company Timeline". Yahoo!. Retrieved on 2008-04-13.
  2. ^ Kirby, Carrie (2006-04-20). "Watchdogs take Yahoo to task". San Francisco Chronicle. Retrieved on 2008-05-04.
  3. ^ Helft, Miguel (2007-06-19). "Yahoo’s Chief Resigns, and a Founder Takes Over". The New York Times. Retrieved on 2008-05-04.
  4. ^ "Fox Interactive Media Ranks #1 in Page Views; Yahoo! Sites Attract the Most Unique Visitors". comScore. Retrieved on 2008-05-04.
  5. ^ a b "Traffic History Graph for yahoo.com". Alexa Internet. Retrieved on 2008-05-04.
  6. ^ "Successful Sites Drive High Visitor Retention Rates". Nielsen Media Research. Retrieved on 2008-05-04.
  7. ^ "Yahoo! Media Relations". Yahoo! (2004-04-01). Retrieved on 2008-04-12.
  8. ^ Simpson, Blaise (1997-10-08). "Yahoo! to Acquire Four11 Corporation". Yahoo!. Retrieved on 2008-04-12.
  9. ^ "Let the Yahoo! Games Begin". Yahoo! (1999-03-31). Retrieved on 2008-04-12.
  10. ^ Slawski, Bill (2006-01-03). "Early Yahoo! Acquisitions (the 1990s)". SEO by the Sea. Retrieved on 2008-04-12.
  11. ^ "Yahoo! to Acquire Viaweb". Yahoo! (1998-06-08). Retrieved on 2008-04-12.
  12. ^ "YHOO Amended Quarterly Report". U.S. Securities and Exchange Commission (1998-07-17). Retrieved on 2008-04-12.
  13. ^ Sullivan, Jennifer (1998-10-12). "Yahoo Acquiring Yoyodyne". Wired. Retrieved on 2008-04-12.
  14. ^ "Yahoo! Reports Fourth Quarter and 1998 Fiscl Year and Financial Results". Yahoo! (1999-01-12). Retrieved on 2008-04-12.
  15. ^ "YHOO Quarterly Report". U.S. Securities and Exchange Commission (1999-01-15). Retrieved on 2008-04-12.
  16. ^ "Yahoo! to Acquire Broadcast.com". Yahoo! (1999-04-01). Retrieved on 2008-04-12.
  17. ^ "Yahoo! Acquires Encompass, Inc.". Yahoo! (1999-05-27). Retrieved on 2008-04-12.
  18. ^ "Yahoo! buys GeoCities". CNN (1999-01-28).
  19. ^ "Yahoo! Acquires Online Anywhere". Yahoo! (1999-06-02). Retrieved on 2008-04-12.
  20. ^ "Yahoo! Plans to Offer Person-to-Person Payment Solution to Buyers and Sellers". Yahoo! (2000-03-23). Retrieved on 2008-04-12.
  21. ^ "Yahoo! Reports First Quarter 2000 Financial Results". Yahoo! (2000-04-05). Retrieved on 2008-04-12.
  22. ^ "Acquisition Enhances Powerful Communication Tools for Consumers". Yahoo! (2000-08-31). Retrieved on 2008-04-12.
  23. ^ "Yahoo! to Acquire Kimo". Yahoo! (2000-11-09). Retrieved on 2008-04-12.
  24. ^ "Yahoo! Australia & NZ to Acquire Fairfax's F2 Sold.com". Yahoo! (2001-02-14). Retrieved on 2008-04-12.
  25. ^ "Yahoo! to Acquire LAUNCH Media, Inc.". Yahoo! (2001-06-28). Retrieved on 2008-04-12.
  26. ^ "Yahoo! and HotJobs Announce Commencement of Exchange Offer for HotJobs Common Stock". Yahoo! (2000-01-11). Retrieved on 2008-04-12.
  27. ^ "Yahoo! to Acquire Inktomi". Yahoo! (2002-12-23). Retrieved on 2008-04-12.
  28. ^ "Yahoo! to Acquire Overture". Yahoo! (2003-06-14). Retrieved on 2008-04-12.
  29. ^ "China Malware War Gets Personal". Red Herring (2006-08-17). Retrieved on 2008-04-12.
  30. ^ "Yahoo! to Acquire Kelkoo". Yahoo! (2004-03-26). Retrieved on 2008-04-12.
  31. ^ Olsen, Stefanie (2004-07-12). "Yahoo acquires Oddpost to bolster e-mail". CNET. Retrieved on 2008-04-12.
  32. ^ "Yahoo! to Acquire MusicMatch". Yahoo! (2004-09-14). Retrieved on 2008-04-12.
  33. ^ "Multiplayer Gaming". Yahoo! Games. Retrieved on 2008-04-12.
  34. ^ Baker, Loren (2004-10-22). "Yahoo Acquires Email Search Developer Stata Labs". Search Engine Journal. Retrieved on 2008-04-12.
  35. ^ Hefflinger, Mark (2004-12-07). "Yahoo Acquires Mobile Media Content Delivery Developer WUF Networks". Digital Media Wire. Retrieved on 2008-04-12.
  36. ^ "YHOO Quarterly Report". U.S. Securities and Exchange Commission (2005-02-11). Retrieved on 2008-04-12.
  37. ^ Crum, Rex (2005-03-04). "Yahoo buys Stadeon in mobile game move". MarketWatch. Retrieved on 2008-04-12.
  38. ^ Fake, Caterina (2005-03-20). "Yahoo actually does acquire Flickr". Ludicorp. Retrieved on 2008-04-12.
  39. ^ Newcomb, Kevin (2005-04-12). "Yahoo! Buys Brazilian PPC Search Network". ClickZ. Retrieved on 2008-04-24.
  40. ^ "Yahoo Acquires Dialpad". Red Herring. Retrieved on 2008-04-24.
  41. ^ Winstead Jr., Jim (2005-06-12). "blo.gs has been acquired by yahoo!". Trained Monkey. Retrieved on 2008-04-12.
  42. ^ Kawamoto, Dawn (2005-07-25). "Yahoo acquires 'widget' engine". CNET. Retrieved on 2008-04-12.
  43. ^ Levine, Paul (2005-10-04). "What's Upcoming at Yahoo! Local". Yahoo!. Retrieved on 2008-04-12.
  44. ^ "Yahoo! and Whereonearth Get More Relevant Together". Yahoo! Search. Retrieved on 2008-04-24.
  45. ^ Schonfeld, Erick (2005-12-12). "But is it del.ove.ly?". CNN. Retrieved on 2008-04-12.
  46. ^ Rogers, Ian C. (2006-01-09). "Yahoo! Music Welcomes Webjay and Lucas Gonze". Yahoo!. Retrieved on 2008-04-12.
  47. ^ "Web 2.0: 'a read and write mechanism'.". San Jose Mercury News. Retrieved on 2008-04-24.
  48. ^ "Yahoo buys digital home company Meedio". The Mercury News. Retrieved on 2008-04-24.
  49. ^ Zajac, Jason (2006-09-27). "Jumpcut Joins the Yahoo! Video Family". Yahoo!. Retrieved on 2008-04-12.
  50. ^ "Yahoo! to Acquire AdInterax". Yahoo! (2006-10-17). Retrieved on 2008-04-12.
  51. ^ Horowitz, Bradley (2006-11-16). "Bix joins Yahoo!’s social media mix". Yahoo!. Retrieved on 2008-04-12.
  52. ^ "Yahoo! Snacks on Small Fry". TheStreet.com. Retrieved on 2008-04-24.
  53. ^ "Yahoo unit inks pact to acquire Taiwan internet firm WRETCH". The Sydney Morning Herald (2006-12-14). Retrieved on 2008-04-12.
  54. ^ Dickerson, Chad (2007-01-08). "Bloggers unite! Yahoo! joins forces with MyBlogLog". Yahoo!. Retrieved on 2008-04-12.
  55. ^ Semel, Terry (2007-04-29). "Democracy and the online ad". Yahoo!. Retrieved on 2008-04-12.
  56. ^ Pitaro, Jimmy (2007-06-20). "Listen up, (college) sports fans...". Yahoo!. Retrieved on 2008-04-12.
  57. ^ Teresi, Todd (2007-09-04). "Yahoo! to acquire BlueLithium". Yahoo!. Retrieved on 2008-04-12.
  58. ^ Moore, Scott (2007-09-14). "Yahoo! News tracks the buzz". Yahoo!. Retrieved on 2008-04-12.
  59. ^ Garlinghouse, Brad (2007-09-17). "Zimbra is so damn cool". Yahoo!. Retrieved on 2008-04-12.
  60. ^ "FoxyTunes joins Yahoo!". FoxyTunes. Retrieved on 2008-04-24.
  61. ^ Wareham, Kristen (2008-02-12). "Yahoo! Acquires Maven Networks, Inc.". Yahoo!. Retrieved on 2008-04-12.
  62. ^ Ariel Seidman (2008-05-09). "Inquisitor Joins the Yahoo! Search Team". Yahoo!. Retrieved on 2008-05-09.
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