Everyone knows that there's a tremendous amount of junk food advertising. However, these companies are also on Facebook. And, they have an avid fan base. Here's a snapshot from Reese's on Facebook. 

Reese's asked the question below. Within 4-hours, it had nearly 30,000 responses with 169 comments. Oreo and McDonald's have active fan bases too. Sample their questions below.

By the way, Reese's Facebook fan base is 8-million strong. Of course, this is small compared to Coke's 34-million fans.