2 December 2011
Last updated at 08:45 ET
The maker of the smartphone software that triggered a surveillance row is being called to account by a US Senator.
Claims that a Russia-based attacker destroyed a US water pump appear to have been caused by a contractor logging into the system while on holiday.
Research In Motion has revealed it will make a third-quarter charge after poor sales of its Playbook tablet computers.
People starting to send Christmas cards and presents in the UK are being hit by problems on a Royal Mail website.
The Office of Fair Trading launches a probe into Groupon after it broke UK advertising regulations 48 times in 11 months.
Game designer Zynga, maker of the successful Farmville game for Facebook, says it will raise money on the stock market
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