I'd add Typewriting. Not having to look at the keybaord (including my DAS Keybaord with no key markings) has made life sooooo much easier. QBasic was nice, but

I'd add Typewriting. Not having to look at the keybaord (including my DAS Keybaord with no key markings) has made life sooooo much easier. QBasic was nice, but no-where near as all-encompassing as touch-typing.