Which of Following Is True Regarding Social Networking

Which of following is true regarding social networking?

A) Individuals between ten and eighteen years of age are the fastest growing group of users of Facebook.
B) Many organizations have developed their own in-house social networking applications.
C) The use of social networking sites eliminates cyber loafing at work.
D) Social networking sites are primarily for interpersonal communication and have no business-related uses.
E) Social networking is a protected activity that cannot be intercepted.