Deb Roy: The birth of a word.

Another great TED talk. The visualization of the house was great to watch, almost like a Google Streetview of a residential space. 

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.

via TED

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