Update:  I am exploring Google+,  in the meantime, take a look at the following article:
Google+ is Awesome, Facebook Maimed, Twitter Mortally Wounded? Keith Kleiner, Singularity Hub, 4/6/11
My recent blog post linking to an article about Google + and education was found by someone searching for "Google Plus". It was the fourth link in the search.   
I've been invited to join Google+, but Google isn't ready to let me in to play! [Image]