There are a lot of players who are trying to commercialize facial expression tracking. Notably, http://affectiva.com http://affectiva.com https://www.youtube.c

There are a lot of players who are trying to commercialize facial expression tracking. Notably, http://affectiva.com http://affectiva.com https://www.youtube.com/watch?v=AbO0Po8Mgis https://www.youtube.com/watch?v=AbO0Po8Mgis disclaimer: I work for them.