(L-R) Jamel Henderson, Danielle Sacks, award winning senior writer at Fast Company magazine, Jonah Peretti, founder of buzz feed, and Jay Rosen, press critic and professor of journalism at NYU, take part in the Participation, Aggregation and Criticism in the Digital Age, discussion Hosted by Deep Focus at the JWT Hub February 7, 2011 in New York. (Allison Joyce/Insider Images)
02/07/2011 Social Media Week NYC