Suppose you want your computer to take some action (whether it’s showing you information about something, navigating to a particular file, etc.). You’re not reading through a menu and thinking through what to do: you already know what you want to do, and you just have to execute. In these instances, the slowest thing you could possibly do is read.1 The more you can make your computer do what you want with your eyes literally closed, the faster and more efficient you will be at the computer.2 Cod...