Emacs package of the day: amx.
https://github.com/DarwinAwardWinner/amx
This makes your M-x better, by prioritising recently used commands, hiding irrelevant commands, and showing shortcuts!
(Shown with the excellent counsel package here.)
miniblog.
Related Posts
Systems Software Research is Irrelevant by Rob Pike (2000) https://web.archive.org/web/20060420001914/http://www.eng.uwaterloo.ca/~ejones/writing/systemsresearch.html
Discusses how hard it is to build novel systems today.
