https://www.vox.com/technology/2018/4/11/17225406/mark-zuckerberg-facebook-hearing-regulating-privacy

Does the government need a bigger role in determining what “personal information” is?

Most of the questions directed at Facebook CEO Mark Zuckerberg in his second day of congressional hearings were high-level. But one of the most important was also one of the most basic: Who gets to decide what privacy is?