Bing's origins may be traced back to 1994, when Microsoft released MSN Search, which was later renamed Windows Live Search in 2006.
To improve the accuracy and relevance of Windows Live Search results, Microsoft bought Powerset, a semantic search technology business, in 2008.
Microsoft redesigned Windows Live Search as Bing in 2009, and it premiered on June 3, 2009.
With Powerset semantic technology, Microsoft offered search suggestions and related search listings and teamed up with Bing's Yahoo! Search.
Today, Bing, the world's second most popular search engine, with a 25% market share in the United States.
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