I brought this up about 2 weeks ago, and nobody had shit to say. Hopefully with Juicy at the head of the thread we can get some real thought put into this.
Just like DreamHost, let the user make his own promo codes, or give him a set of them that offer different discounts(a free month of service, 10% discount, free trial at another site, whatever) that are unique to the person.
Then anyone signing up with that promo code is instantly credited to the promo code owner.
It's a whole new way to get sales/drive traffic. Hell, some people might come across a site they never would have seen if they found the coupon on a coupon site.
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