https://motherboard.vice.com/en_us/article/kzxdjw/facebook-will-let-users-stop-it-from-collecting-your-internet-browsing-habits-f8

Facebook users will soon be able to clear their web browsing history, according to CEO Mark Zuckerberg.

This new feature, called “Clear History,” is significant—the company leverages people’s data to sell targeted ads, whether they have a Facebook account or not—and may narrow the scope of information that Facebook is allowed to collect.