After 20 years of not using caps lock, two things happened in the last couple of years: (1) I taught myself to touch type "properly," and (2) I started using an

After 20 years of not using caps lock, two things happened in the last couple of years: (1) I taught myself to touch type "properly," and (2) I started using an IBM XT keyboard (the first layout in the linked article) with caps lock easily reachable with the right palm. Now I use caps lock and love it. (I put "properly" in quotes because many---even most---type in a different way quite successfully. But for me, it really helped reduce the number of mistakes I made. With caps lock, I don't have to mess that up when I write LONG_UPPERCASE_CONSTANTS.)