I went to the Apple store and played around with the retina display. It's got five or so resolution modes and I set it to the finest resolution 1920x1200. Those close and minimize buttons were TINY, as were the scrollbars. I know their are gestures for some of these things...
Spot false dilemmas now, ask me how!
(If you're not on the edge, you're taking up too much room.)
Nothing up my sleeve ... and ... presto! A tiny ad: