Researchers from the University of Buffalo on a boat
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Researchers test 'deep-sea internet' in a US lake

Researchers at the University of Buffalo, New York, test an underwater wireless network. Snapchat, a photo-sharing app which deletes images after they have been viewed, has its self-destruct feature circumvented by an app called SnapHack and Google faces a backlash over plans to use Google+ social network data in adverts.

BBC Click's Marc Cieslak looks at these and other tech news stories.

Watch more clips on the Click website. If you are in the UK you can watch the whole programme on BBC iPlayer.

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