There is no such thing...

The firm says that receiving your free iPod depends on the following conditions: 'completion of offer terms,' 'completion of user survey' and 'participation in sponsor offers.'

What it doesn't say is that the offer terms will expose you to reams of spam and marketing solicitations, that the user survey is actually a lengthy marketing ploy, and that the sponsor offers needed to qualify for that free music player will almost certainly cost you money.