But Palace Pompadour, he says, is his crowning achievement, a curatorship born of kismet.

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What happened to me eventually was kismet, destiny.

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Sweeney hopes that the upgraded Kismet in Unreal 4 can take the pain out of development, giving designers more room to play and freeing programmers from the more oppressive parts of their jobs.

FORBES: Epic's Tim Sweeney on How Unreal Engine 4 Will Change The Way Games Are Made, and Why You Care

You'd think that, by now, some form of artificial intelligence -- the iPhone's Siri or "Jeopardy's" Watson or perhaps some combination of IBM's Deep Blue and MIT's Kismet -- would have been able to meet the challenge.

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