A montage of a man showing a range of emotions
Media playback is unsupported on your device
Video

The auction where you bid for art with emotions

The world's first "emotional" auction, where people pay with feelings rather than money, has taken place in Sweden.

Bids were generated by the way people's biometrics - heart rate and sweat changes - altered when they saw an item for sale.

BBC Click's LJ Rich reports.

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

Go to next video: The secret to winning Wimbledon?