I missed this on the day, but this is a fantastic, fun look at P2 🙂
RE: The first question asked at the end: Jabber/IM is enabled for all WordPress.COM blogs: http://im.wordpress.com/
Is P2 any better than BuddyPress?
August 25, 2012
WordCamp San Francisco 2012 30
Pete Davies 3
P2 6 Subtitles 68