"rtificial intelligence already pervades 21st-century life, from Siri's directions to Netflix's suggestions of what you should watch next. But how much emotional intelligence is inside computers, cell phones, and video game consoles? In the past, the answer has been "none" - even the most complex deep learning machine is still a machine. That's changing, though, thanks in part to Nevermind, a video game that can sense players' emotions and adjust the experience to fit."