Slight tangent: somehow I cannot find it, but there is an amazing TedX video where a Google engineer tracked how his child learned words by effectively doing th

Slight tangent: somehow I cannot find it, but there is an amazing TedX video where a Google engineer tracked how his child learned words by effectively doing this and recording and tracking everyone’s voices and paths in the home. The amount of data he stored and crunched was impressive. You may want to hit him up for his tech setup :)