I've been thinking a lot about the social graph for awhile now: aggregating the graph, decentralization, social network portability, etc.
If you've seen me at any conference recently, I probably talked your ear off about it. It's time I braindump this, so here goes ...
Problem: People are getting sick of registering and re-declaring their friends on every site, but also: Developing "Social Applications" is too much work.
Goal: Ultimately make the social graph a community asset.