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TED Video: The Birth Of A Word by Deb Roy (and visualizing social interactions)

If you haven't seen this video that has been circulating around some parts of the Twittersphere, it's well worth a watch. As the abstract says:

MIT researcher Deb Roy wanted to understand how his infant son learned language -- so he wired up his house with videocameras to catch every moment (with exceptions) of his son's life, then parsed 90,000 hours of home video to watch "gaaaa" slowly turn into "water." Astonishing, data-rich research with deep implications for how we learn.

What is also interesting is the part after his son's word where Deb Roy looks at how they applied their techniques to analyzing social interactions online...

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