A set of versions of one product from the same brand, each tweaked to appeal to a different audience segment. These versions are relatively slight variations on a theme instead of major departures in features and benefits.

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.

