smithaa02 - 2:44 pm on Nov 19, 2012 (gmt 0)
According to Cutts, penguin is mostly about links:
Q: "Hey Matt, why don't you tell us what general area to fix b4 the next #penguin for transparencies sake? onsite or off?"
A: "saw your comment on Barry's post. Certainly links are a primary area to monitor. Been true all this year; expect to continue."