What the Email Open Rate Actually Is — It Shifts with the Denominator and Mirrors the Order of Senders
Before Any Advice on Writing an Email Newsletter, the Sender and the Subject Line Have Already Settled Whether It Is Opened
What the Drop-Off Rate Observes Is Only the Side That Stayed, and Those Who Left Need a Way of Being Counted
Customer Lifetime Value Is Not a Measurement but a Forecast, Carrying One Assumption, Folded into the Present