12:25 UK time, Tuesday, 15 April 2014
Rory Cellan-Jones speaks to Martin Varsavsky - the founder of social wi-fi network Fon.
A Japanese researcher creates glasses that show computer-generated eyes that express emotions so that the wearer does not need to bother.
Virgin Media apologises after some of its customers received hundreds of unwanted emails because of a distribution list error.
German security researchers say that a spoof fingerprint can be used to unlock Samsung's new handset and steal money.
The composer of the music featured in the original Halo video games says his job has been "terminated without cause" by developer Bungie.
French hard-disk maker LaCie warns that shoppers' credit cards details and logins may have been stolen from its store over a one-year period.
BBC Click's Jen Copestake spent a week in one of the most renowned squats in Barcelona, following the developers of Bitcoin tools and other open source software.
Spencer Kelly meets the team behind a drone which can fire 80,000 volts of electricity through a wired dart.
Remote presence bots help doctors visit hospital wards
Report shows how foreign fighters in Syria are using social media
The BBC's attempt to create 3D sound recordings
New tech helps small firms shoot for the stars
Rory and the Tech Tent team on Heartbleed and other news
How 3D printing is changing the shape of lessons
Tips and tricks to get followed on Twitter
From iTunes to Spotify, 10 years of 'legitimate' music services Newsbeat
Samsung's latest smartphone swings in
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