Advantages: keeping in touch, and making new friends
Disadvantages: stalking, and threatening
You shouldn't put your address, phone number,or relatives names
A negative post could ruin you or someones reputation by hurting their feelings when people say something negative
Cyber bullying is bullying or saying something rude over the internet, like saying someone is ugly over Twitter. It usually escalates by the victim saying something back to the bully. This can be fixed by telling a trusted adult.