A great feature that would be of great service to even the lowliest of users would be a way to split a list for A/B testing. Simply select a list and a button appears to Split the List. This function puts the first email on one list and the second on a second list, and so forth. It gives the person 2 lists. They can then send a different email to each list. With my list being in the 100,000+ range, it is way beyond the limit for uploading which makes it time consuming to use excel to split my list and import multiple spreadsheets.
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