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Breaking bottlenecks

A new algorithm enables much faster dissemination of information through self-organizing networks with a few scattered choke points.

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Social Studies

In MIT's Human Dynamics Lab, Sandy Pentland PhD '82 uses cell phones and wearable sensors to research nonverbal signals, information flow, and the value of face-to-face conversation.

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Programming crowds

With the Web, people worldwide can work on distributed tasks. But getting reliable results requires algorithms that specify workflow between people, not transistors.

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