The biggest misconception is that adverisers track or even know anything about you. They simply ask fb to show this ad to such and such people and they pay fb t

The biggest misconception is that adverisers track or even know anything about you. They simply ask fb to show this ad to such and such people and they pay fb to do so. This is the greatest asset of both fb and google, they know who and what you like, the moment they give this info away to 3rd parties, they become obsolete.