Wallop, Microsoft's nascent social-networking software, enables users to see which pictures or words connect them to another user.
Wallop页面上的官方介绍:(From Official site:Wallop)
Wallop, where you can share photos, blog, and interact with your friends. Wallop is a research project of the Social Computing Group at Microsoft Research, exploring how people share media and build conversations in the context of social networks. We are currently conducting a small, real world trial of Wallop with small friendship groups.? Therefore, membership in Wallop is limited to study participants until the trial is over.?