A cinema audience wearing equipment to monitor mood changes
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Subconscious cinema - film endings changed by your mood

Researchers are developing technology that can change the outcome of films based on the subconscious desires of the audience.

Could it spell the end for the familiar sense of disappointment at movie endings?

Click's LJ Rich tried out the system, which measures heart rate, brain waves, muscle tension and even perspiration before deciding which scene should play next.

Find out more on the Click homepage. If you are in the UK you can watch the whole programme on BBC iPlayer.