Always introduce yourself.
Be polite.
Be considerate of differing opinions.
Don't type in ALL CAPITALS - it is called shouting and is considered rude.
If answering a question, type the person's name before you answer, example: Jane, I agree, and...
If you have to leave the chat for a short time, tell others that you will be away.
Don't use sarcasm - It may be misinterpreted.
Make a positive contribution to the chat.
Don't reply to personal requests on the main chat screen.
Give thought to the persona you project.
Say goodbye.