One thing that's not clear to me is if the internet communities still work if you take away some of the inherent anonymity that's associated with someone's online persona.
In the extreme case, where every online community is tied to facebook, imagine being able to click a user name and find out "real' information about a person and his friends. It might make people less willing to post.
In the extreme case, where every online community is tied to facebook, imagine being able to click a user name and find out "real' information about a person and his friends. It might make people less willing to post.