Ask HN: If you had to recommend one newsletter, which one would it be?

I am guilty of subscribing to a ton of newsletters and unsubscribing them frequently. Hence, I'm looking for the best recommendations.

It could be from any domain, however new (< 10 issues) or old (> 100 issues), but you're allowed to recommend only one. It should ideally be the one, which after reading a few issues, you were tempted to go check out the archive as well. :)