- Permanent address for your site and email. - Much more professional than anyothersite.com/you/ or even you.anyothersite.com. - Easier for people to remember - Give out unlimited email addresses @yourdomain.com to friends, clients, family. - It's cheap! $12.95/year is about $1.08/month. - There is a limited supply. If you don't reserve the name you want now, somebody else could beat you to it!