Google+ Source Code Reveals Potential Quora-Killer "Google Experts," Google Voice Integration & More | Google + Project | Scoop.it
From searchengineland.com - September 30, 2011 5:59 PM
A  recent post from developer Matt Mastracci uncovered a variety of potential features from the Google+ source code. He stumbled upon these findings when scanning code looking for early access to the circle sharing feature.