Dani pointed me to Fantasy In Miniature.
here are three that caught my fancy. I have just doubled the subscriptions to
fantasyinmin. (I wonder who the other one is.)
From
siderea:
The C Programming Language by Kernighan & Ritchie & Lovecraft.
Toleration versus diversity (David Friedman) was an interesting read for me.
Chat-based ask-the-rabbi service, for when email is too slow and asynchronous. Apparently they also do SMS. (It's Chabad, though they don't make it particularly easy to discover that.)