Following news of Facebook’s significant data breach, many users of the site and app checked which third-party apps they had linked to their personal pages to see how much of their data could have been mined.
A company called Cambridge Analytica used data from more than 50 million Facebook users to promote a political agenda. On Monday, the Federal Trade Commission announced it had opened a “nonpublic investigation” into the privacy and data practices of Facebook for the breach.
Apps connected to Facebook can use information such as names, photos and usernames, plus public information like age and gender. Facebook has been acquiring companies and gathering user information for more than a decade; below are just five of the many companies Mark Zuckerberg has acquired.
Facebook’s external messenger app is the new and improved version of Facebook Chat. The app was released for iPhone, Android and Windows devices. The app has gotten more sophisticated over the years and now allows users to video and voice-call in addition to chatting. Users on the app can even send money through Messenger if the user provides a credit card number or PayPal login information.
Mark Zuckerberg took to Facebook to announce that his company would acquire Oculus VR in 2014. Oculus collects information shared between users on the company’s services along with names, emails, phone numbers and ages. The company also notes information on a user’s location, IP address, device type and more.
Facebook did not return Newsweek‘s request for comment.