Google Tango
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Reviewing Google's Project Tango

9 September 2016 Last updated at 12:16 BST

BBC Click's Spencer Kelly reviews Google's Project Tango - a 3D sensing system on a smartphone that can learn about the landscape that it is in. It uses motion tracking, area learning and twin cameras to determine and remember the distance to everything it sees.

More at BBC.com/Click and @BBCClick.