What is Mona Lisa feeling, anyway?

After analyzing the Mona Lisa with "emotion recognition" software developed with researchers at the University of Illinois, the experimenters "concluded that the subject was 83% happy, 9% disgusted, 6% fearful and 2% angry, New Scientist magazine was told," according to a BBC article. Some day in the not too distant future, you won't have to rely on evaluations to determine how your meeting went—you'll be able to just take some snapshots of the crowd, run it through the software, and let the results speak for themselves. Or not. But it's a strange thing to think about, isn't it?

The article also says that this new capability "could lead to PCs that adjust their response depending on the user's mood," which could make online learning a whole new ballgame.

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