This guys may be building the new social architecture I envision to compete with the walled services trend in social sites.

Chi.mp is building a flexible, permanent home for your online identity on your own domain. You own and are in control of the facets of your digital life, not any one service provider.

One place for your profile, your contacts & content, where you have control over who gets to see what.

Chi.mp is as open as you are.

They seem to be advancing the discussion in a constructive way at Ownyouridentity.com.