mcskoufis - 11:32 am on Sep 30, 2013 (gmt 0)
IMO, it's an area that Google wants to get right before using it in rankings.
So it cleverly let loose the myth that Authorship is an important signal, got new Google+ users and also monitors closely those that are using it for manipulating its algorithms. I don't see them using it as a ranking signal soon.
Well done Google! (IMO all this is)