TheStreet has broke news on developments at Facebook regarding a new service that would allow publishers to setup subscriptions for media companies. Campbell Brown is Facebook's head of news partnerships, and recently spoke at Digital Publishing Innovation Summit in New York. The Street reported: "One of the things we heard in our initial meetings from many newspapers and digital publishers is that 'we want a subscription product -- we want to be able to see a paywall in Facebook.'" - Campbell Brown The elephant in the room that no one wants to talk about is how well paywalls do outside