OK, admittedly getting paid for moving traffic from place to place within your own site is a fun situation for Facebook to be in. Still, it doesn't matter which

OK, admittedly getting paid for moving traffic from place to place within your own site is a fun situation for Facebook to be in. Still, it doesn't matter which domain the users are on, it just matters that you get your message across to them. Getting more fans still means the ability to blast more people about your goods/services/charity.