Tom Chatfield: 7 ways video games engage the brain (2010 TED)
As we bring gameplay into more aspects of our lives (from socializing to exercising), Tom Chatfield talks about one compelling aspect of videogaming: its measurability. Parceling out rewards at carefully calibrated percentages, games collect reams of data about what humans truly find rewarding, and precisely how hard we’re willing to work for a win.

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