There is a longstanding debate among artificial intelligence experts and futurists: When, not if, AI emerges on the scene, will it help humanity or destroy it?

The scenario has played out through innumerable iterations in popular culture, the most popular being The Terminator series.

Steven Spielberg, riffing on the film Stanley Kubrick was going to direct before his death, presented the counterpoint, espousing a benevolent vision of AI in A.I. Then there are more nuanced, ambiguous iterations, like the recent Ex Machina.

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