---- Manual Action and having lots of inbound affliliate links
EditorialGuy - 10:39 pm on Sep 30, 2013 (gmt 0)
I never knew until a year or so after the event about Google deciding that links out to the affiliate site had to be rel="nofollow" (there are probably many thousands of site owners who don't belong to forums who still don't know that).
Last year, Matt Cutts said that Google was pretty good at recognizing affiliate links and handling them "appropriately." See: