Worst corporate use of social media in 2012?

Is it Boners BBC or Bonehead BBQ?A catalogue of how not to use social media for customer service has been outlined at the unMarketing blog with a BBQ restaurant in Atlanta having launched into a customer who posted a poor review of them on Yelp, the owner of the joint clearly having been personally offended at a customer not having enjoyed their food.

All the social media customer service rules of being personal, honest, magnanimous, apologetic and humorous in dealing with a problem have been broken in a case that really needs to be read - it gets all the more shocking the more the story goes on.