Microsoft has revamped its Bing social sidebar to add more results from Facebook timelines
Twitter has partnered with Yandex, the Russian search engine, to improve its social search function
Google+ has reached 90 million users as the search engine giant revealed it has missed its financial targets
Clint Boulton examines an intriguing theory - that Google is deliberately provoking anti-trust investigation, in order to trap Facebook
Google+ posts will now be integrated on Google.com, providing users are signed into their accounts
A leaked web page suggests that Microsoft might be stepping up its social networking efforts
Google still rules the search market in the UK, but Facebook's popularity is starting to impact on web traffic
Facebook could kill Google? And monkeys can fly... What is that they say about living in a world of pure…
Google's executive chairman admits he failed to move quickly enough to address the threat from Facebook
Google has translated its Social Search service into 19 languages to challenge Facebook in personalised search
Microsoft has released a Bing Bar update integrating Facebook and undercutting Google's Social Search
Google Social Search is tackling Facebook by spreading social network results throughout the search pages