> putting more functionality on the thumbs That's why I like Mac keyboards. Cmd is right under your thumb. I did the same for my Linux machine, so win/alt/ctrl

> putting more functionality on the thumbs That's why I like Mac keyboards. Cmd is right under your thumb. I did the same for my Linux machine, so win/alt/ctrl instead of ctrl/win/alt. It's a game changer and doesn't require any hardware modification.