From GIGAOM: "Now Zuckerberg says you can serve ads on your app pages and keep all the revenue, sell them yourselves or use a network, and process transactions

From GIGAOM: "Now Zuckerberg says you can serve ads on your app pages and keep all the revenue, sell them yourselves or use a network, and process transactions within the site, keeping all the revenue without diverting users off Facebook." This sounds interesting.