Imagine yourself as a single cap on a keyboard. Perhaps you’re an oft-used letter like “A” or instead the lonely, remote “~” key. If you’re one of the former, you wince every time that giant hand ...

These days, caps lock’s main purpose is to make people furious whenever they mistakenly hit it. The key is so unused, in fact, there have been calls for its removal (Google doesn’t even include it on ...