How to increase security and privacy on Facebook?

Here are a couple of tips on how to increase security and privacy on Facebook . Please feel free to share it with your family and friends.
Login to your facebook and then go to https://www.facebook.com/settings 
1) under security, mark:
Secure Browsing

Who can look me up?

  • Who can look you up using the email address or phone number you provided?
  • Do you want other search engines to link to your timeline?
    Off
    Do you want other search engines to link to your timeline?
    Please note:
    • When this setting is on, it is easier for other search engines to link to your timeline in search results.
    • If you turn off this setting, it may take a while for search engines to stop showing the link to your timeline in their results.