Ask HN: Any newsletters that you read and that bring you real value?

[fideli0]

I have subscribed to several newsletters, although to be honest, they mostly remain unread in my mailbox. Are there any newsletters that you regularly read, and if so, what value do they bring to you?

[stop50]

The feisty duck security newsletter. Thats the only one i subscribed to.

[annodomini]

thenationalinterest.com. Most valuable better than Times

[eimrine]

stallman.org/archives/polnotes.html