=> Yahoo! released its own search engine powered by a fusion of the AltaVista,Inktomi, and AllTheWeb technology they acquired in 2003.Yahoo!stopped returning Google
Search results in January 2004.
=> Google's AdWords and AdSense systems, which deliver pay-per-click listings to search portals and Websites respectively,grew dramatically.Google filed for an initial public offering (IPO).
=> The popularity of the Ask search portal,powered by the innovative Teoma search engine,steadily increased.Like most portals that Yahoo!doesn 't own,Ask uses Google 's AdWords for paid listings.
=> The 800-lb gorilla of the computing world,Microsoft,announced plans for its own search engine,releasing beta versions for public use in January and June of 2004,
