This document summarizes a panel discussion on the worst social media marketing campaigns of 2010. The panelists discussed several campaigns that backfired or inappropriately used social media, including ones by Charmin, PETA, Old Spice, Kim Kardashian, Toyota, Ryan Air, Gawker, InsidetheBCS, Agent Provocateur, Mars Candy, NFL.com, Habitat UK, M&Ms, Current TV, Marshall's and more. The moderator thanked the panelists and attendees, expressing hope that marketers would learn from past mistakes and the discussion of poor campaigns would not be necessary in future years.