1. Don't use ALL CAPS because people see it as to be rude. 2. Use proper spelling because if you don't people may think you are being mean. 3. Read the text before you send it so you can check that it not going to embarrass someone. 4. Avoid long sentences because if a person receives a long sentences there is a chance that person may not read it. 5. don't overuse Reply to ALL because you might send a message that will hurt someones feelings.