From memory flickr was born from a project to create a photo sharing site for photos of the game the founder were developing. So this isn't surprising. I think I got that from Founders at Work.
Very impressed by CNET spending the resources to embed a reporter like this.<p>Here's a great gallery of in-progress art, prototypes, etc:<p><a href="http://news.cnet.com/2300-10797_3-10002397-1.html?tag=mncol" rel="nofollow">http://news.cnet.com/2300-10797_3-10002397-1.html?tag=mncol</a>