The latest stories from the Technology section of the BBC News web site.
Yahoo sells half Alibaba stake
US internet company Yahoo said it has reached a deal to sell part of its stake in China's biggest internet company Alibaba Group.
China clears Google Motorola bid
Chinese regulators approve Google's $12.5bn purchase of US phone maker Motorola Mobility, the final hurdle for the deal to go through.
Pakistan restores Twitter access
Pakistani authorities restore access to the social media website Twitter after a brief ban for what officials called "offensive" content".
