Learning From Digital Measurements of Face-to-Face Interactions

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Alex (Sandy) Pentland, who predicts negotiation results by digitally measuring aspects of face-to-face interactions.

Mr. Pentland, a professor at the Massachusetts Institute of Technology's Media Laboratory, recently published a book called Honest Signals, which argues that hidden social cues are key to understanding the productivity of researchers and workers.

Q. So you've developed a new kind of scientific device to measure social interaction?

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