Stewart Butterfield and his friends are back at it with a new company. CNET's Daniel Terdiman was given exclusive, behind-the-scenes access as they built it from scratch.

Since last March, the Flickr co-founder and three partners have quietly been developing an online social game they hope will appeal to a wide audience. CNET has been there to document the creation of their start-up.

To build Glitch, the Flickr co-founder put together an impressive team of some of his earliest collaborators on the popular photo-sharing site.