Facebook's privacy policies have recently come under fire and if you want to know what data Facebook has collected about you, all you have to do is ask.
Facebook users can download your own archive data back to when you first started using Facebook. That includes every photo and comment you've posted.
It's also the data that the social media giant can use to decide which ads to show you.
To access the data and learn more, check out the page titled "Accessing Your Facebook Data."
