A segment of a list determined by any number of attributes, such as source of name, job title, purchasing history, etc. CPM list renters pay an additional fee per thousand names for each select on top of the base list price.

3 Quick And Easy Ways To Build A Profitable Opt-In List
You finally realize that you need a good opt-in list. After reading countless articles and sought expert advices and have read many success stories of people creating a small fortune with opt-in lists you finally decide to have one of your own.