The text at the bottom says 'FUSE Labs'. FUSE stands for 'Future of Social Experiences' if I remember correctly. This was a team Ray Ozzie created to experiment

The text at the bottom says 'FUSE Labs'. FUSE stands for 'Future of Social Experiences' if I remember correctly. This was a team Ray Ozzie created to experiment with social behavior. They have some of the smartest people around in MSFT (and some good friends).