This document provides guidance on proper online communication and behavior, known as netiquette. It discusses how to respect others' privacy, avoid generalizations and keep an open mind, and gives tips for communicating effectively online such as using proper grammar, avoiding all caps, and giving credit for references. The document encourages thinking before posting, as things posted online can have long-lasting effects, and maintaining appropriate classroom conduct regardless of being online or in-person. Overall, the document outlines best practices for polite, thoughtful participation in online discussions and courses.