Arrangement in which companies collecting registration information from users (email sign-up forms, shopping checkout process, etc.) include a separate box for users to check if they would also like to be added to a specific third-party list.
Building a Highly-targeted Opt in List: When Money Lies Beneath the Lists
Are you successful with your Internet business? Better yet, do you think you are successful with your online business? When most online entrepreneurs are asked with these questions, they often brush it off.