An overhaul of Microsoft's Bing search engine features social results from Facebook and Twitter, as well as design changes

Facebook is reportedly developing an improved social search engine as it gears up for its forthcoming IPO

There was little change in the search engine market share for Google and Microsoft in February, according to comScore

Microsoft's Bing, which still trails Google Search. has added a feature to let a user to associate pages from around the Web with their name

Resarch from Hitwise shows Google still dominates the UK Web search market with over 90 percent share

Clint Boulton examines an intriguing theory - that Google is deliberately provoking anti-trust investigation, in order to trap Facebook

Microsoft Bing has overtaken Yahoo to snatch second place in the search market behind Google

Microsoft's Bing search engine continues to slowly build up market share against Google and Yahoo

Google's search market share remains at about 65 percent, while Bing is on track to overtake Yahoo

Despite a lucky escape in 2008, Microsoft is reportedly leading a bid to buy its partner Yahoo