I’m a few years shy of 40 and I remember using these religiously as a kid typing on the computer. However I don’t remember why or who taught it to me, and I can

I’m a few years shy of 40 and I remember using these religiously as a kid typing on the computer. However I don’t remember why or who taught it to me, and I can’t remember when I quit. Probably ended around when I started using AIM and stopped using word processors to write stories.