Yahoo! built on Acquisitions

Yahoo! was founded by Stanford University graduate students Jerry Yang and David Filo in January of 1994 and incorporated on March 1, 1995.

Yahoo provides a range of products and services including a web portal, a search engine, Yahoo! Directory, Yahoo! Mail. It has grown through continuous innovation and acquisitions. Here is the list of acquisitions which helped Yahoo! grow.

1997
Net Controls, Web search engine which helped Yahoo develop Yahoo! Search
Four11, Web-based email which helped Yahoo develop Yahoo! Mail
1998
Classic Games, Online game, which helped Yahoo develop Yahoo! Games
Sportasy , Fantasy sport, which helped Yahoo develop Yahoo! Fantasy Sports
Viaweb ,Web application which helped Yahoo develop Yahoo! Store
Webcal , Calendaring software which helped Yahoo develop Yahoo Calendar
Yoyodyne,Direct marketing which helped Yahoo develop Yahoo! Search Marketing
Hyperparallel, Data analysis which helped Yahoo develop Yahoo! Search
1999
Log-Me-On, Digital identity which helped Yahoo develop Yahoo!
Broadcast.com, Internet radio which helped Yahoo develop LAUNCHcast
Encompass, Internet service provider which helped Yahoo develop Yahoo!
GeoCities , Web hosting service which helped Yahoo develop Yahoo! GeoCities
Online Anywhere , Content delivery network which helped Yahoo develop Yahoo! TV
2000
Arthas.com, E-commerce payment systems which helped Yahoo develop Yahoo! Store
MyQuest , Internet service provider which helped Yahoo develop Yahoo!
eGroups , Electronic mailing list which helped Yahoo develop Yahoo! Groups
Kimo, Web portal which helped Yahoo develop Yahoo!
2001
Sold.com, Online auction tools which helped Yahoo develop Yahoo! Shopping
LAUNCH Media , Online music store which helped Yahoo develop Yahoo! Music
2002
Hotjobs.com , Job search engine which helped Yahoo develop Yahoo! HotJobs
Inktomi Corporation , Internet service provider which helped Yahoo develop Yahoo! Search
2003
Overture Services, Inc., Search engine marketing which helped Yahoo develop Yahoo! Search Marketing
2004
3721 Internet Assistant , Browser Helper Object which helped Yahoo develop Yahoo! Assistant
Kelkoo, Price comparison service which helped Yahoo develop Kelkoo
Oddpost , Web-based email which helped Yahoo develop Yahoo! Mail
Musicmatch Jukebox , Audio player which helped Yahoo develop Yahoo! Music
The All-Seeing Eye, Game server browser which helped Yahoo develop Yahoo! Games
Stata Labs, Web-based email which helped Yahoo develop Yahoo! Mail
WUF Networks, Mobile media which helped Yahoo develop Yahoo! Mobile
2005
Verdisoft, Computer software which helped Yahoo develop Yahoo! Mobile
Stadeon , Online game which helped Yahoo develop Yahoo! Games
Ludicorp, Image hosting service which helped Yahoo develop Flickr
TeRespondo , Advertising network which helped Yahoo develop Yahoo! Search Marketing
Dialpad, Voice over Internet Protocol which helped Yahoo develop Yahoo! Voice
blo.gs, Weblog software which helped Yahoo develop Yahoo! 360°
Konfabulator , Widget engine which helped Yahoo develop Yahoo! Widgets
Upcoming.org, Calendaring software which helped Yahoo develop Yahoo! Local
Whereonearth, Web mapping which helped Yahoo develop Yahoo! Maps
del.icio.us, Social bookmarking which helped Yahoo develop del.icio.us
2006
Webjay, Online music store which helped Yahoo develop Yahoo! Music
SearchFox, Web search engine which helped Yahoo develop Yahoo! Search
Meedio, Digital video recorder which helped Yahoo develop Yahoo! Go
Jumpcut.com, Online video editing which helped Yahoo develop Yahoo! Video
AdInterax, Online advertising which helped Yahoo develop Yahoo! Search Marketing
Bix.com , Social media which helped Yahoo develop Bix
Kenet Works, Mobile software which helped Yahoo develop Yahoo! Mobile
Wretch, Virtual community which helped Yahoo develop Wretch
2007
MyBlogLog, Social network service which helped Yahoo develop MyBlogLog
Right Media, Online advertising which helped Yahoo develop Yahoo! Search Marketing
Rivals.com, College football which helped Yahoo develop Yahoo! Sports
BlueLithium, Advertising network which helped Yahoo develop Yahoo! Search Marketing
BuzzTracker, News site which helped Yahoo develop Yahoo! News
Zimbra, Collaborative software which helped Yahoo develop Zimbra
2008
FoxyTunes, Browser extension which helped Yahoo develop FoxyTunes
Maven Networks , Video on demand which helped Yahoo develop Yahoo! Video
Inquisitor, Browser extension which helped Yahoo develop Inquisitor

The growth of the Yahoo is function of acquisition or innovation or innovation backed by acquisition is matter of debate.


Source: http://en.wikipedia.org