Well I did actually get a free ipod.
Mine was from freeipods.com
It was really easy, but I used ebay to post the link.
Ebay does not appreciate this apparently, they suspended me for a while. But I had all my referals in like a week. And got my ipod about a month later.
I now see that it is the same website, so yes I can tell you that it is legitimate. Or at least it was last year.
They are enlisting people like you and me as advertisers.
You get a bunch of people to sign up for some free trial or something, and that is worth money to them. They get a deal on the ipods and keep the rest of the commission for themselves. It will not last forever of course, because it is playing off of an outdated marketing strategy.
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"I was made to love magic, all its wonder to know, but you all lost that magic many many years ago."
N Drake