Stay safe: http://www.pcadvisor.co.uk/feature/security/how-stay-safe-on-social-networks-3455041/
1. Use Facebook reactions
2. Reply to comments with a video
3. Download Facebook data
4. Make photo albums available offline
5. Get US Facebook apps in the UK
6. Stop Facebook videos autoplaying
7. Watch your Facebook Lookback video
8. Display a nickname or maiden name
9. Block app requests and notifications
10. Stop apps posting on your behalf
11. Block an ex-friend
12. Separate your friends, colleagues and acquaintances
13. Limit who can see a post
14. Keep your Facebook profile private
15. Switch between Top Stories and Most Recent
There are loads of Facebook pages with tips and tricks.