[amh]

Bruce Schneier wrote an excellent article on PKI risks (http://www.schneier.com/paper-pki-ft.txt). Should be interesting to see how many of those are addressed as this scheme comes to fruition. It has the potential to become a highly useful backdoor intelligence gathering mechanism. This is a honeypot that the three letter agencies won't be able to resist.

[chmike]

Exactly. It will also make Id theft more easy because there will be a single point of failure. This is like one password for the web. I don't like this at google. It is easier but much less safe.