22:01 UK time, Wednesday, 15 May 2013
Rory Cellan-Jones goes to San Francisco to try out Google glass, and asks if we're ready for a whole new way of interacting with the web.
Yahoo says its $1.1bn (£723m) purchase of blogging platform Tumblr will boost its revenue as soon as 2014.
Apple is accused of being "among America's largest tax avoiders" by a Senate committee, who says the company avoided paying billions of dollars in US taxes.
Up to 22 million login names may have been stolen during a hack attack on Yahoo Japan, the web firm warns.
US politicians are seeking reassurances from Google that its smart spectacles will respect personal privacy.
Will Microsoft's new games machine win the next console war?
Looking through CCTV feeds that should not be public
The Canadian company tempting music fans back to tapes
Inside the factory making robots we can relate to
How do you scrap an aircraft carrier?
Former hacker on creating chaos online
The controversial neuroscientist worried about the side-effects of screens and social media
The BBC's tech correspondent considers if Google's smart glasses are cool or creepy
See why even the hardest working business travellers have fun in this US city
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