The curious history the invention of the CMD+K quick switcher

It's funny / sad that you need to find a code injection vulnerability in order extend a program running in your own computer. And cool that someone figured it out.

Now I feel old, because I thought most apps still used ^K as the prefix to a two-key command (using ^K as the "wish for more wishes"). The second answer discusses some of that a bit, but doesn't mention that the tradition goes back at least as far as WordStar... which is how it ended up in Turbo Pascal's IDE.