This document discusses good and bad practices for writing copy. Good copy is informative, actionable, intuitive and succinct. It provides examples from a company called PaperPhobic that showed converting more users by changing buttons from "Sign Up" to "Get Started for Free" and "Checkout" to "Choose Executive Account". Lessons discussed are to know your goal, be precise and think like the reader. Examples are given of copying from Microsoft, SAP and Oracle that could be improved by being more concise and understandable to the average reader. The document encourages writing copy focused on the reader by being concise and avoiding unnecessary information to reduce cognitive load.