Or lack of a chair. Putting a 60 x 60 x 42cm box on top of your desk, and putting your Mac on that, so you can stand leads to: 1. More regular breaks away fro

Or lack of a chair. Putting a 60 x 60 x 42cm box on top of your desk, and putting your Mac on that, so you can stand leads to: 1. More regular breaks away from standing at your computer (and more perspective on and thought towards your work). 2. Significantly better health and posture. 3. Increased metabolism and improved concentration.