Microsoft starts taking orders for the developers’ edition of its Hololens headset – at $3,000 each.

European regulators approve Dell’s $67bn bid to buy EMC, the world’s largest data storage company.

The makers of the Raspberry Pi say their computer has outsold the Amstrad PCW, making it the most popular British computer yet made.

US investigators say Russia-based hackers were responsible for a hack attack that caused blackouts across Ukraine.

A member of a US investigation, which said a blackout in Ukraine was caused by a hack attack, says the UK could also be vulnerable.

WhatsApp ends support for a number of operating systems including Blackberry 10, Nokia Symbian S60 and Windows Phone 7.1.