You'll get my highlight-buffer-paste-on-middle-click only if you pry it from my cold, dead hands. If you've trained yourself to only need one button, then yes,

You'll get my highlight-buffer-paste-on-middle-click only if you pry it from my cold, dead hands. If you've trained yourself to only need one button, then yes, you only need one button. But look how well that's worked out on the iPhone, with a heavily-overloaded one button, with hard-to-discover functionality.