LinkedIn records Q1 profit, but investors fear that growth in the social network might be slowing

Facebook says paid messages will reduce spam by charging up to £10.68

Facebook Home offers Android users instant content on their home screen

New Yahoo homepage is rolled out in the US, promising a personalised, mobile-optimised experience

Pinterest is looking for funds to expand its business and generate revenue

Some searches are no longer possible as Vine porn row rumbles on

Twitter apologises for error which saw adult video being chosen as 'Editors Pick'

Facebook extends voice call trial to the US after successful testing in Canada

Facebook revamps its search engine but says it is not a web search replacement

Spread of false information over social networks a major cause for concern in coming years