With the revelation that Facebook is tracking users across the web, even if you log off, I have deleted my Facebook account.
Yes, deleted. Not just deactivated.
You can “deactivate” your Facebook account and it disappears from sight but it is still there in the Facebook vault, ready for you to re-activate.
So if you want to test your separation from Facebook, this is the step (instructions).
hopefully more permanent, you can delete your account.
Mashable ran a good step-by-step to download your data, disconnect your apps, and locate the delete-account-page (“How to Completely Delete Facebook From Your Life”).