To put it simply, you earn points by answering daily questions, inviting others, and playing a game. The thing is, that at the moment it's only available through invite and the site doesn't open until October, so all the prizes are cheaper than they're going to be. You can PM me your e-mail to get invited, or just post in here so I can send you the invite. Either way, I already have 47 points and I just started today.