Ajit Narayanan: A word game to communicate in any language

While working with kids who have trouble speaking, Ajit Narayanan sketched out a way to think about language in pictures, to relate words and concepts in The idea now powers an app that helps nonverbal people communicate, and the big idea behind it, a language concept called FreeSpeech, has exciting potential. TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world s leading thinkers and doers give the talk of their lives in 18 minutes (or