http://blogs.msdn.com/dragoman/archive/2008/12/15/live-labs-thumbtack-and-seadragon-mobile.aspxBy now this is already old news, but here it goes. Last week Live Labs released two cool projects: On Wednesday 12/10, Thumbtack . I've seen demos of this project since it had a different name, and have discussed it with some of the folks who came upen-USCommunityServer 2.1 SP1 (Build: 61025.2)