France's official state documents will now adopt the phrase "mot dièse" to refer to the social networking symbol

Tweeters can now embed and share six second videos with the free app, initially only available to Apple devices

In the last months of his life, the film director won a new army of fans as a cult hit on social media

As 'RIP Megan Fox' trends on Twitter, we take a look at some more well-known (and still very much alive) people who the micro-blogging site told us had met their maker

@Pontifex breaks his social media silence after joining the micro-blogging site earlier this month

It's tycoon v tycoon on Twitter after Sugar weighs in on Scottish windfarm debate

What's been getting the social network going in 140 characters or fewer in the past 24 hours - and why...

Here's what the Twittersphere thought of last night's GBBO final...

ITV1's Saturday night programme was around three times more talked about on the social media site than the BBC1 launch

The Daleks have invaded a social media platform near you - and they want your retweets!