Now you understand how people will use the site: they will look at it, not instantly understand why it's worth giving personal information to, leave, and tell t

Now you understand how people will use the site: they will look at it, not instantly understand why it's worth giving personal information to, leave, and tell their friends it's not worthwhile. If you want to track interaction, just give everyone a cookie (or Flash cookie, nearly nobody clears those) and watch behavior by that.