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I am starting a new marketing site and I will be having a promotion on the site that anyone can sign up for. The way that it works is that each e-mail that you submit and is verified, you get one "lottery ticket" for a drawing.
If someone signs only themselves up they get 1 ticket.
If they refer 4 friends who sign up and verify, that person gets 5 tickets. and so forth.
My question is how do I manage such a system? Ideally this is something that is already in existence, since my web designer is basically a flash designer with not much other knowledge in development. (Myself a manager.)
My other question is in regards to verifying that the users are human, ie. making them enter a code based on an image, similar to the one that I had to do when registering for this site.
I can provide more details if this was not clear enough.
Thanks in advance for your help.
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