The FTC guidelines regarding endorsements and testimonials that were updated in December have been the cause of a lot of concern and confusion among the industry, and this continues to do this day. A lot of the confusion has been around how the guidelines apply to social media use. I sat in on a session at SXSW recently that featured FTC lawyer, Mary Engle, and had an audience comprised of a nice mix of bloggers, advertisers, lawyers, social media marketers,