Social Magazines - What's Their Business Model?

NY Times: "Social magazines is a term that Flipboard came up with. It's come to mean a News Reader type application for the iPad that has the visual appeal of a magazine, along with the social media features common to this era of the Web (integration with Facebook, Twitter and other social apps). Social magazine apps will become a key application for tablets over the next couple of years. Also we will see existing magazines on the iPad, such as Wired and TIME, evolve to become more like Flipboard - with better customization of magazine sections, whizzier UI, more social media functionality, and so on. An important question for Flipboard, NewsMix and other such apps is: how will they make money? Wired, TIME and other specialist magazines will rely on the subscription model (once it gets sorted out for the iPad). However, Flipboard and its ilk face the same issues with monetization as RSS Readers did in the previous Web era. ... "