Seems an internal presentation on Google Readre and their planned social networking efforts was leaked, according to Philipp Lenssen at Blogoscoped.
The video presentation that a number of people online now have passed around was for Nooglers - new employees of Google, according to reports.
Among the details discovered:
Google is developing a "standard for feed publishers to tell aggegrators about changes in the feed".
"The Reader team is going to integrate more social features."