walkman - 11:09 pm on Oct 16, 2011 (gmt 0)
Whatever he was before, he now is a Google employee so take his "authenticity or authentication" comments with a grain of salt. Note that Google is trying to do an identity service with G+.
However, that [Facebook] left Cerf bombarded with information about "what these friends were doing" news he conceded "I couldn't care about". He contrasted that with Google's rival Google+ system, which uses a system of 'circles' to allow members to distinguish between different spheres of connection, such as family and work colleagues - which Cerf argued gives people more control over who they share news and personal information with.