Shares in tech giant Apple fall 9% in after-hours trading, after the firm reports flat profits of $13.1bn (£7.9bn) during its first quarter.

More than one billion smartphones were shipped last year, with Samsung extending its lead as the world's biggest vendor, a new survey shows.

US and British spy agencies routinely try to gain access to personal data from Angry Birds and other mobile applications, a report says.

US film director Quentin Tarantino sues gossip website Gawker for copyright infringement after it posted a link to a leaked screenplay.

Fans of Prince express shock at the musician's $22m (£13m) legal action against 22 people who posted copies of live performances online.

The regulation of firms that offer to link up drivers and passengers is under scrutiny following the death of a child.

Leaks suggest GCHQ carried out an operation called Squeaky Dolphin to monitor Facebook "likes", YouTube video views and use of Google Blogger.

A billionaire who compared a row about rich tech workers to the persecution of Jews in Nazi Germany has apologised.