It encourages a better community feeling than the 140 chars allows for on Twitter, the content posted ends up being a lot more interesting, richer and more positive than the constant dump o' hate I see in my Tweet stream. Personally I'd prefer more ex-bloggers start posting on G+ than micro blogging their opinions on Twitter
It's also nice to have the option to privately msg and hangout whenever we need to.
We see much more engaging and visible feedback on G+, people frequently comment on posts, +1 and re-share.
Most my close friends are not on google+.
http://techcrunch.com/2012/03/26/google-the-charge-of-the-li...
It really is just a single monumental mistake, everything about Google+ except for the product itself, which was always high quality (but the wrong product to begin with).
(OT: I just pitched you a story to your email:)
this is how to opt out:
https://www.facebook.com/settings?tab=ads§ion=social&vie...
(select "Pair my social actions with ads for - No one")
Article about it:
http://www.forbes.com/sites/anthonykosner/2013/01/21/faceboo...
There were several HN posts on this as well will update once I find them...
In retrospect, Buzz might have been their last classically-Googly project.