Open rates measure image loading, which is not reading
Why not track
Because the number would change what I write, towards whatever produced it, and the number does not measure the thing I care about.
What I do measure
Subscriptions, unsubscribes, and letters received. The third is the only one that has ever told me anything useful.
What that means
I genuinely do not know if a piece landed. Writing to say so, even briefly, is more informative than any dashboard would be.
