Dude records practically every waking moment of his first child's life. Then he maps the data so you can see where and when his son first heard a word and how it was used and when his son first said it and when his son gained mastery. Amazing stuff.
http://www.ted.com/talks/deb_roy_the_birth_of_a_word.html
#ted
Originally posted on Google+ · February 8, 2013


