gamification? Dropbox was gamified, a bit, in my view, in that I had loads of people who'd invite me to dropbox, because they'd get extra storage for getting m

gamification? Dropbox was gamified, a bit, in my view, in that I had loads of people who'd invite me to dropbox, because they'd get extra storage for getting me to sign up. Maybe it's not real gasification because they didn't get badges?