Which of the following statements is not true?
A) Over 90% of Facebook's monthly active users access Facebook via a mobile device at least some of the time.
B) The only way to access Facebook from a mobile device is to use a mobile app.
C) Mobile ads are displayed in users' News Feeds.
D) Facebook's mobile ad revenues are its fastest growing revenue stream.
Answer: B) The only way to access Facebook from a mobile device is to use a mobile app.