D1

Bad things
key loggers could access your information.
People could pose as a bank and steal your details.
You will receive lots of spam emails.
You could be cyber-bullied.
You could become addicted.

You could keep key loggers away by installing anti-virus
Be careful who you're talking to and don't give details away.
Keep spam in a junk folder.
Block social network bullies.
Don't stay