Sites like videntity and claimID are now hooking together OpenID and microformats to help provide for the first distributed social networking schemes. These are the seeds of something really exciting; the ability to tie single sign-on with portable social networking means we can quickly login to any site and then pull our social networks along with us. Its going to take time and quite a bit more work to get sites to adopt a standardized means for doing this but its inevitable now that OpenID is taking hold.