Yet Facebook once again left many lawmakers' questions unanswered. It didn't say repeatedly why Facebook didn't audit apps like the one at the heart of the Cambridge Analytica controversy years before it became the subject of international scrutiny, for example, or provide the names of company employees who were responsible for the lack of oversight. Facebook couldn't specify how many users actually read or accessed its terms of use policies in response to a question from Rep. Michael Burgess, R-Texas.