This Finxter Newsletter has a Net Promoter Score (NPS) of 69.11%.

I asked Gemini if this is good. Here's its answer:

Gemini: "An NPS of 69 is an outstanding result, especially for a niche like AI education. Anything above 50 is typically considered Excellent, and 70 is often the threshold for World Class."

However, it's not all rainbows and unicorns.

I receive occasional disappointed feedback too. Allow me to share the last one: