WorldAdTraffic.com is run by Dawud Islam. With this latest site launch of his, he has networked all 25 of the sites he rents and attracts a ton of members with his marketing techniques. Dawud works had to make his sites some of the best out there.
Be sure to sign up to some of his sites and learn some marketing tips and techniques. He created a great product to help you with your own membership site called Cash List Creator.