Being able to segment your list is a major feature which every ESP should offer.
A segment is a part of a bigger list, where all subscribers match a search criterion. For example: All subscribers with gender: Male.
In Newsman App it's easy to create segments from your lists.
A segment can be created by combining one of the following search criteria:
By segmenting your lists and sending targeted messages (if the product is just for men, why bother sending to female recipients?) you get some major benefits:
Q: How do you know when to create a new list or when to create a new segment?
A: A new list is usually required if you start from scratch. If any existing lists have no relation with the newly required list, then you need a new list. If the newly required list has some relation with an existing list (it's a subset of an existing list) and the newly required list can be generated from the existing list, then you need to create a segment.
By creating a segment you also benefit of the sending history of an existing list: