I)In a list, you organize subscribers by name. In a data extension, you organize them by region. II)You can use a list, but not a data extension, to store sendable subscriber data. III)A data extension contains relational data, such as purchases. A list doesn't. IV)The number of data extensions you can create is limited. The number of lists you can create is not. [bg_collapse view="button-green" color="#4a4949" expand_text="Show Answers" collapse_text="Hide Answers" ] III)A data extension contains relational data, such as purchases. A list doesn't. [/bg_collapse]