Facebook uses 'Centra' tool to monitor, track its users: US Senator
US Senator Josh Hawley, during Facebook and Twitter CEOs' Senate Committee hearing, alleged that Facebook uses internal tools such as 'Centra' to "monitor users' accounts" as well as to "track" Facebook "users across the internet". Facebook does have tools that help "platform and community integrity work", CEO Mark Zuckerberg said, denying being familiar with any tool named 'Centra'.