Looking at the 'Suggested for you' posts in Facebook and Instagram, I am really puzzled about the way data is used. Whereas they definitely have access to a lo

Looking at the 'Suggested for you' posts in Facebook and Instagram, I am really puzzled about the way data is used. Whereas they definitely have access to a lot of (my) data, they are still unable to correctly know my gender. And speaking of rules for ads. I recently noticed that most of the ads are pure spam and even fake products are offered. It is extremely obvious what this is about.