Keep in mind that Facebook probably has a few unique identifiers from you apart from browser cookies: - Email address - Cell phone number (even if you only us

Keep in mind that Facebook probably has a few unique identifiers from you apart from browser cookies: - Email address - Cell phone number (even if you only used it for 2FA) - Credit card number (if you ever made a donation via Facebook or bought digital currency in a Facebook game) - Advertising ID of your mobile device (can be reset in Android as well as iOS) In order to avoid tracking, you have to make sure that none of these are known to Facebook and to other companies.