Cat Or Dog? Sure, you can easily tell the difference. But a machine may not be able to guess on the first try. iStockphoto hide caption

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Joaquin Phoenix stars in the film Her, in which his character falls in love with an operating system. When will artificial intelligence programs like Siri evolve to the point where we'll fall in love with them? Courtesy of Warner Bros. Pictures hide caption

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All Tech Considered

That's Just Like 'Her': Could We Ever Love A Computer?

There are hurdles to overcome before we can form relationships with artificially intelligent beings.

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"Child-robot with Biomimetic Body" (or CB2) at Osaka University in Japan in 2009, where the android was slowly developing social skills by interacting with humans and watching their facial expressions, mimicking a mother-baby relationship. Yoshikazu Tsuno/AFP/Getty Images hide caption

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