Direct response ads have turned out to be very successful for brands on Facebook. Once they have reached a healthy fan base size they sell actual products to th

Direct response ads have turned out to be very successful for brands on Facebook. Once they have reached a healthy fan base size they sell actual products to their fans in their newsfeed. Example: Domino's offering a special only available to their Facebook fans. With Facebook's pixel tracking you can back out the exact ROI for every dollar spent promoting that offer to fan's & friends of fan's.