Hi all, This is a very simple project for the right person that knows what they are doing. It's essentially a hybrid referal script. I'll explain with an example. What I want is a script designed that does this. If A visits my site and uses this special referral script to refer say 5 - 10 of his friends to the site, a custom, pre-written, one time email is sent to the 10 friends inviting them to download a certain free ebook. But when (and only when) a specific number of *UNIQUE* downloads of that ebook is made through "A's" referral (say for example 5 downloads), "A" is then sent an email giving him a special reward for successfully having the 5 separate downloads of the free ebook made. Hope this is clear enough.