Updated: July 13, 2020 (February 11, 2008)
Charts & IllustrationsOnline Services from Microsoft, Yahoo, and Google
Yahoo and Microsoft’s online businesses have significant overlap, and both compete against Google in nearly every area. The following chart shows some of the most significant areas of competition among the three companies. Italicized entries represent assets that would be gained if certain pending acquisitions are successful.
| Service | Microsoft | Yahoo | |
| Web search | Live Search | Yahoo Search | Google Search |
| Search advertising platform | adCenter | Yahoo Search Marketing | AdWords |
| Advertising networks | aQuantive’s DRIVEpm and AdECN (display), Content Ads (contextual text ads) | Yahoo Publisher Network (contextual text ads) | DoubleClick Exchange (display), AdSense (contextual text ads) |
| Display advertising platform for first-party sites | adExpert/adCenter | Yahoo Advertising | None |
| General-purpose tools for online advertisers and publishers | aQuantive’s Atlas | None | DoubleClick’s DART |
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