Which of the Following Statements Is True About Facebook

Which of the following statements is true about Facebook?

A) It is especially effective among younger adults than older adults.
B) It provides a free online photo and video sharing service geared to mobile phones.
C) It is growing faster than all other social media platforms.
D) It allows registered users to send out short messages called tweets.
E) It uses an algorithm to decide what content is placed in the user's newsfeed.