I Got a Google Penalty for Unnatural Inbound Links

Sally Kohn: I got a Google manual action, which means an actual human at Google looked at my site and the penalty specifically was for unnatural inbound links to some pages. She says there's a distinction here between an algorithm update and losing ranking significantly in an algorithm update. "I had never done any what would be traditionally called link building of any form for over two and a half years on this site"