You can choose from over 1500 domain names in sports, politics, personals, relationships, special occasions, professions, movie stars and recording artists and use each one as many times as you want. You have the first opportunity to register a valuable screen name, like "Keith", or "Jen", to use along with over 1500 premium domain names. This is a one-time ground floor opportunity and these will go quickly!
It would cost you thousands of dollars to register PREMIUM domain names like these yourself. Why should you advertise for the big guys when you can personalize your emails. Instead of Bill2354@Yahoo.com, or SallyH345@Aol.com, or MSN, or Gmail?