With more than 2.2bn monthly active users, Facebook has stockpiled personal data on nearly one-third of the world’s population – a database that is the core of Facebook’s $40.65bn business.
Appearing before Congress this week, Facebook CEO, Mark Zuckerberg, tried to present Facebook’s approach to user data as open and transparent.
In question after question, he repeated that users control their data and can review it or delete it whenever they want. And if you cancel your account, that data will disappear from Facebook’s servers within 90 days.
Here's a handy graphic showing exactly what facebook knows about you.