Panda hit on-site elements. Penguin mainly focused on off-site issues.
Google Zebra Update is going to town on social...
- Too many retweets with keywords included around a link
- Facebook updates with too many shares from people not in your industry
- Any Google+ shares as this will look spammy (Google+ is a graveyard right, so any activity looks suspicious?!)
- Owning a Pinterest page - brands only use these for SEO benefit no?
