This document provides guidance on writing effective copy for marketing purposes. It discusses the common pitfalls to avoid, which it refers to as the "7 deadly sins of copywriting". These include using advertising cliches, offensive language, unnecessary words, generic benefits, lists of unrelated features, poor grammar, and weak language. The document emphasizes writing in a conversational tone, focusing on the most important benefits for the target audience, and prioritizing the key message. Effective copy should persuade readers and motivate them to take the desired action.