Excellent article by Matt Gemmell on how to master your Mac’s keyboard shortcuts. A must-read:

I recently wrote an article about [being productive on a small screen](http://mattgemmell.com/small-screen-productivity/), which mentioned my belief that the most effective route to productivity on a computer is learning the available keyboard shortcuts. In this piece, I’d like to share some of the keyboard shortcuts and related functionality that I use every day on the Mac.