This goes out to anyone who does marketing for startups and businesses.
If you're about to announce something like an update for those on a waitlist or a big bang version 2, please include a reminder of what your service actually is?
I can't count the number of times I receive an email out of the blue saying "Smergen is nearly here!" only for me to scratch my head out of confusion.
A decent improvement is to just include screenshots (but not those vague "big tech art" things, real ones!)
The actual fix is just to include a one liner like "Smergen - the app that lets you map public toilets".
To really drive it home, here's a masterclass in retaining the user from nvUltra
If you can't take a few seconds to provide some context for what your announcement is about, I can't get excited or even bring myself to care.