Video answer: Facebook ads
Top best answers to the question «Why do i see nothing but ads on facebook»
Click Ad Settings to allow or prohibit using the so-called “data from partners”. If you allow it, Facebook will use your browsing history from other websites to show you more relevant ads. If you don't allow this, then you won't necessarily see less ads, but they will only be based on your Facebook activity.
Video answer: How to fix your facebook news feed