timwilliams - 3:00 pm on Sep 20, 2012 (gmt 0)
Prevent and remove user-generated spam on your site.
Would have been nice if this would have been the first phase of penguin or if they would have addressed this prior to penguin.
Participating in affiliate programs without adding sufficient value
One of these things is not like the others... sorry, having a Sesame Street Moment.
This one seems to be a bit of an outlier, pushing the envelope IMO.