Tony Quan aka TEMPT1 was a graffiti artist in LA. He was paralyzed with ALS in 2003. His method of communicating was via a 15k eyetracker system that allowed him to type TEMPT1's drawing career seemed over. Enter our speaker, the artist Zach Lieberman http://thesystemis.com/. Working with collaborators he built a 50 eyetracker called the EyeWrit