Mozilla has released a new browser extension inside of Firefox called the "Facebook Container," which would allow you to control what Facebook sees. It actually would block Facebook from seeing what you do around the web, and restrict it to Facebook.com only.
On the Mozilla blog, they wrote: The pages you visit on the web can say a lot about you. They can infer where you live, the hobbies you have, and your political persuasion. There’s enormous value in tying this data to your social profile, and Facebook has a network of trackers on various websites. This code tracks you invisibly and it is often impossible to determine when this data is being shared.