Things you're probably not using in Python 3 - but should
Handy little post that details some of the real headline changes that have taken place in "recent" generations of Python 3. I'm happy to say that I make use of a good few of these already.
Online course where you can teach yourself how to use a sliderule.
One day.... One day...
A Twitter thread about issues with Emacs on macOS and how to work around or plain solve them.
Honestly, as someone who's 100% Emacs/macOS, I'd not really noticed any of these -- but I always run Emacs as a fullscreen application in its own desktop space.