Brazilian government demands Twitter block accounts which warn users about traffic checkpoints and speed traps

Ministry of Justice catches 350 inmates using social network in past year, but more slip through the net

Google's next step in its challenge against Facebook is to accept teenagers aged 13 and older in most countries

IBM is setting out its stall for Lotusphere 2012 with a set of new programmes and services to expand its social business strategy, announced at last year's event

News Corp Chairman Rupert Murdoch attracts over 90,000 followers on Twitter

Google+ now has more than 62 million users and is apparently on track to reach 400 million by the end of 2012

Bad news for Google+ after comScore found that Facebook and Twitter dominate the growth of social networking

A committee of MPs have said social networks should not be closed or blocked during civil disorder

New devices and first-time users provide the ideal mix for Christmas exploits so take a secure grip from the start, advises Eric Doyle

Eight new apps have been released that help make popular tablets usable with IBM enterprise systems