It's pretty cool. It's even cooler in applications with working[0] Cocoa text widgets, where you can do things like M-u and M-l for upcase/downcase word, transpose, and even an Emacs-like kill-ring[1].

[0]: Unfortunately in most third party web browsers and Electron apps (Chrome, Firefox, Slack, etc) most of these shortcuts don't work for some reason.

[1]: https://developer.apple.com/library/archive/documentation/Co...