NYPD's Twitter feed deluged with images of brutal arrests and shooting victims after attempt to highlight best of officers' work
It is one of the hardest places in the world to tweet from but there is a network of experts covering everything from culture to politics. Here’s our pick to get you started
David Hepworth: Why the revolution in digital distribution has made delivery of news, music and entertainment more significant than the content
American airline tweeted explicit image to unhappy customer by mistake – but it took firm nearly an hour to remove post
Aims to show evolution from 'a synchronised Twitter playalong experience to a fully fledged social network for television'. By Stuart Dredge
TV reporter takes the plunge, rat terrifies New York subway, Eurovision memories, and two different wedding couples. By Janette Owen
Twitter is changing its profiles so you can 'show the world who you are'. Is this a move to function more like Facebook? Do you mind?
Social network updates mirror Facebook’s profile pages with large images and tweet highlights. By Samuel Gibbs
Chief media scientist Deb Roy tells MIPTV conference ‘Twitter makes television better’ for viewers and advertisers alike. By Stuart Dredge
The Twitter co-founder is an unabashed idealist who wants to redefine capitalism. Can his latest venture achieve this?
Department demanded through Twitter that advocate remove third-party post on her Facebook wall
The Labour MP on that Nerf gun, why she adores Jedward's tweets and why it's so wrong to use a smartphone in a pub quiz
'We sat Jack in front of a scanner and he pulled an all-nighter that first day'
What happened when Michelle Williams oft-overlooked Destiny's Child member responded to the Poor Michelle meme on Twitter
Obama spokesman responds to AP report on attempt to foment protests in Cuba by saying USAid project was 'development assistance'