What is the fine-grained topic of the following text: Facebook's communications around privacy have historically been opportunistic and protectionist, deployed to cover up for the last transgression from its "move fast and break things" ideology — from the 2007 Beacon program, which allowed companies to track purchases by Facebook users without their consent, to the 2010 loophole that allowed advertisers to access people’s personal Facebook information without permission. Only return the topic.
Facebook's history of privacy issues and communications