A hand next to a virtual butterfly
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Turning a wish into a virtual butterfly

11 July 2014 Last updated at 10:22 BST

Click is at London's Barbican for Digital Revolution, an immersive exhibition of art, design, film, music and video games.

Spencer Kelly looks at one of the exhibits that lets you hold a virtual butterfly in your hand as you make a wish for the future.

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