The Birth of a Word

“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. — Halfway the video, the talk takes a turn and he starts analyzing not the words said in his house, but those on the TV’s backchannel, looking for influencers and engagement among the crowd. Great stuff (with some very nice visualizations!) (via)

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