An active request by a reader or subscriber to receive advertising or promotional information, newsletters, etc. Generally affirmative consent does not included the following — failing to uncheck a pre-checked box on a Web form, entering a business relationship with an organization without being asked for separate permission to be sent specific types of email, opt-out.

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.