Yeah, I know this is somehow the point. On the other hand it (maybe?) would be more useful if they would just verify that certain online-personas (e.g. github,

Yeah, I know this is somehow the point. On the other hand it (maybe?) would be more useful if they would just verify that certain online-personas (e.g. github, pgp, blog) are the same person, which you could do. I want to know that liz, is the liz that blogs and liz who forks on github, not necessary her facebook/linkedin/real name.