- the data that Facebook collected about you from various other sources, e.g., data brokers Mr. Zuckerberg and other Facebook staff assert: "We do not sell dat

- the data that Facebook collected about you from various other sources, e.g., data brokers Mr. Zuckerberg and other Facebook staff assert: "We do not sell data." Does Facebook acquire/purchase data about people from other sources, e.g., data brokers, and then combine it with (a) the highly personal data people voluntarily submit to Facebook and (b) the highly personal behavioural data people consent to allow Facebook to collect from their use of the Facebook website, Facebook app, and websites hosting Facebook anchors. Is Facebook allowing users to download all the data Facebook has on them?