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Media playback is unsupported on your device How to make your TV a touchscreen
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How to make your TV a touchscreen
25 October 2013 Last updated at 17:00 BST
Tablets and smartphones have made touchscreens the norm for many exploring the internet and controlling devices.
But could it work on a really big screen the size of your TV?
LJ Rich demonstrates some cutting edge technology in Singapore which could turn your big screen into a touchscreen for just $75 (£50).
Keep up to date with all the latest gadgets and tech news via BBC Click's website and if you are in the UK you can see the whole programme on BBC iPlayer.