The widespread use of social media platforms make them ideal for companies trying to reach a large audience.  Pharmaceutical and consumer products industries frequently maintain their own social media accounts and partner with celebrities, physicians, patients, and “influencers”—i.e., individuals who have achieved online celebrity and whose posts reach a wide audience—to endorse their products through social media campaigns.  Although U.S. regulatory agencies have already been closely monitoring the development of these advertising platforms, the Food…