Flaming/Flame wars- When people have an argument over something on the internet.
Trolls- People who deliberately try and cause trouble and havoc on the internet.
Anonymous- Someone who cant be identified [ example: pretending to be someone else]
Communicating clearly- using Emojis, Caps lock and Grammar.
Permission- Make sure that you have the permission from their parents or the person the photo is of.
Once the message is on the internet you cant take it back.