Over at RealityPrime, Avi Bar-Zeev riffs and speculates on the strong hint that Google is building a social network application with a 3D component. What could it possibly entail?
Imagine it more concretely: repurpose the GE sidebar for social networking functions, “friendmarks” instead of (or adding to) placemarks, “stuff to do” instead of (or adding to) layers to view. And then let people populate and build this new fictional world however they wish, using SketchUp as the main modeling tool.