(L-R) Danielle Greenberg, director of nutrition and scientific affairs at PepsiCo, Eric Mittenthal, media relations director IFIC, Elizabeth Shepard, executive director of Delish.com speak at the Social Media and Nutrition Advocacy: Guidelines Spur Online Conversations at the Heart Tower February 7, 2011 in New York. (Allison Joyce/Insider Images)
02/07/2011 Social Media Week NYC