In The Red

Ad sales over £1bn in quarter for first time as overall revenues up more than 53%

Bermuda puts global agreement at risk

The UK launch of the "Facebook phone" has been postponed following poor sales in the United States and lukewarm customer feedback.

Google is reportedly eyeing a bid of $1bn (£725m) or more for Israeli mobile satellite navigation start-up Waze, just as the internet giant faces a fresh probe into its dominance in America.

Behind the news of Tumblr’s sale for $1.1billion (£723 million) to Yahoo there lies the story of David Karp, its 26-year-old founder, who has now become one of the world’s richest technology entrepreneurs.

“I’m not perfect. There are occasions I may have got it wrong,” Lord Sugar declared, in a rare display of humility. “But I haven’t seen anyone who’s become a new Branson or Zuckerberg that I’ve let go.”

Six unusual ways in which students, teenagers, and one scarily precocious nine-year-old child, have become extremely and unusually rich

Online sleuths are claiming to have discovered what could be Zuckerberg's first website - and it hints at what was to come

A New York man's multibillion-dollar lawsuit claiming half-ownership of Facebook should be dismissed, a judge said.

A look at the main features of Facebook's new news feed

The world's two leading internet giants have set aside their rivalries and joined forces to set up the most lucrative science prize in history.

Higher costs ate into Facebook's profits in the final quarter of 2012, but the social network's revenues climbed as it sold more mobile advertising.