1. DON'T Feel the need to follow the crowd
2. DO Remember that life on social media can be very different to reality
3. DON'T Go having a rant!
4. DO Keep your privates private!
5. DON'T Go oversharing!
6. DO Create a positive footprint
7. DON'T Send your mates millions of game requests
8. DO Think "Would I want my boss to see that?"
9. DO Have fun!
Get more from BBC Advice
bbc.co.uk
Get more tips (although no embarrassing pics, soz) with the Your Life Online factfile from BBC Advice.