Well, concept is good. And I do want to know who is not opening. However, it trends. How would I be able to combine a few months?
Don't like my choices for downloading. What happened to all the other fields?
Somewhat similar question - I have kept track for the past several years of who is reading. How can I combine a few months of who is reading? Again, not everyone reads it every month but I want to see who drops off.
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