Bing is a web online search engine owned and also run by Microsoft. The service has its beginnings in Microsoft's previous search engines: MSN Search, Windows Live Search and also later on Live Search. Bing gives a range of search services, including internet, video, photo and also map search products. It is developed utilizing ASP.NET.

Bing, Microsoft's substitute for Live Search, was revealed by Microsoft CEO Steve Ballmer on May 28, 2009, at the All Things Digital meeting in San Diego, California, for release on June 3, 2009. Noteworthy brand-new functions at the time included the listing of search pointers while queries are entered and also a checklist of relevant searches (called "Explore pane") based upon semantic modern technology from Powerset, which Microsoft had gotten in 2008.

In July 2009, Microsoft as well as Yahoo! revealed a sell which Bing would power Yahoo! Search. All Yahoo! Search international customers and also companions made the change by early 2012.= The offer was changed in 2015, suggesting Yahoo! was just needed to use Bing for a "majority" of searches.

In October 2011, Microsoft mentioned that they were dealing with new back-end search facilities with the goal of supplying faster and also slightly more pertinent search results page for individuals. Known as "Tiger", the brand-new index-serving technology had actually been included right into Bing internationally because August that year. In May 2012, Microsoft introduced one more redesign of its online search engine that includes "Sidebar", a social function that searches individuals' socials media for information appropriate to the search query.

As of October 2018, Bing is the third largest online search engine globally, with a question volume of 4.58%, behind Google (77%) and Baidu (14.45%). Yahoo! Browse, which Bing mainly powers, has 2.63%.