Perhaps this has already been said and I missed it, but Facebook has the capability to be a pretty neat public key repository. You could have a pretty high deg

Perhaps this has already been said and I missed it, but Facebook has the capability to be a pretty neat public key repository. You could have a pretty high degree of confidence that the public key associated with a Facebook account belonged to the account owner. Hopefully they'll be come kind of API (if there isn't already). Either way, I hope http://keybase.io http://keybase.io lets me add my Facebook profile now!