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Could this formula be the key to photo-sharing success?

15 May 2014 Last updated at 09:19 BST

A researcher at Massachusetts Institute of Technology (MIT) has developed an algorithm which he says can predict how popular a photograph will be when it is posted online.

More than two million images posted to a photo-sharing site were studied by Aditya Khosla's software which analyses colour and recognises objects.

BBC Click's Spencer Kelly finds out more.

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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