This tip is not highly technical, but may be of use to you if you use a trackpad on your Mac, be it laptop or Magic Trackpad. It came up while talking to Rabbi Eric Linder about workflows; a seemingly mundane problem, but it struck a chord with me because I had the same issue when I first got my Magic Trackpad.
This is a companion discussion topic for the original entry at https://brettterpstra.com/2012/08/18/quick-tip-trackpad-rule-of-thumb