http://guyhoffman.com/
http://blog.ted.com/2013/04/10/7-covetable-toys-that-blurred-the-line-between-robot-pet-and-friend/
he wants to understand: What is life?Working with Robots at his personal experience is going from failure to failure with no visible rewards, however at the end, he said every ten years he got one of the biggest rushes in his field of research.