Microsoft Corp (MSFT)
2011 Annual Report
Segment Information
 - Online Services Division

Online Services Division ("OSD") develops and markets information and content designed to help people simplify tasks and make more informed decisions online, and that help advertisers connect with audiences. OSD offerings include Bing, MSN, adCenter, and advertiser tools. Bing and MSN generate revenue through the sale of search and display advertising. Search and display advertising accounts for nearly all of OSD's annual revenue.

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