Bing is an internet search engine owned and operated by Microsoft. The service has its beginnings in Microsoft's previous search engines: MSN Search, Windows Live Search as well as later Live Search. Bing offers a range of search services, consisting of web, video clip, image and map search items. It is created making use of 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 conference in San Diego, California, for release on June 3, 2009. Noteworthy new functions at the time consisted of the listing of search pointers while inquiries are entered and a checklist of associated searches (called "Explore pane") based upon semantic innovation from Powerset, which Microsoft had acquired in 2008.

In July 2009, Microsoft as well as Yahoo! revealed a handle which Bing would power Yahoo! Browse. All Yahoo! Browse worldwide consumers and also companions made the change by early 2012.= The deal was changed in 2015, meaning Yahoo! was only needed to use Bing for a "majority" of searches.

In October 2011, Microsoft specified that they were working with brand-new back-end search facilities with the objective of supplying faster as well as a little a lot more appropriate search results page for customers. Called "Tiger", the new index-serving innovation had actually been incorporated into Bing globally considering that August that year. In May 2012, Microsoft announced an additional redesign of its search engine that includes "Sidebar", a social function that browses users' social media networks for info appropriate to the search question.

Since 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! Search, which Bing mainly powers, has 2.63%.