SpreadFirefox.com is giving away GMail account

SpreadFirefox.com offer 2,000 GMail invites to those people who help spread Firefox.

They listed a few rules for this:

To get one, send an email to spreadfirefox.com@gmail.com with your name, spreadfirefox username, website address and email address. Here are the rules:

1. The site must have a Firefox button, logo or banner linking to the Firefox project either through sfx or directly.
2. The person must not already have Gmail.
3. The site must be publicly viewable with some content.
4. The site must not consist mostly of advertising.
5. The site must not contain any adult content.