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Cat ears link your brain and computer

2 December 2013 Last updated at 16:51 GMT

L J Rich looks at some of the new ways we are interacting with computers including the use of software which reads our facial expressions and wearable cat ears that sense excitement in our brain and automatically capture our happy moments on camera.

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