I love press releases as a tool to drive tons of traffic to my sites fast. In addition by including keywords you can get ranked for topics and answers that your audience finds of value. The key is to write in a newsworthy style and not like a sales letter or advertisement. You need to have something of value if you want to get non-paid organic media attention.
After you have entered your "List Name" you will need to enter a "List Description." Here is where you will describe the kind of information you'll be sending from this list. There is a 400 character limit for the "List Description." Subscribers will see your "List Description" on the unsubscribe page if they ever go to unsubscribe from your list. Once you are done entering your "List Description" click the "Next Step" button.