What Statement About Communicating in Today's Work Environment Is Least

Multiple Choice

What statement about communicating in today's work environment is least accurate? 

A) Today's organizations use e-mail, instant messaging (IM) , texting, and interacting with social media such as Facebook, Twitter, and LinkedIn to speed up the flow of communication.
B) Web chats are rapidly becoming the preferred communication channel for online customer service.
C) Hard-copy memos and letters still outnumber other forms of communication.
D) Smartphone owners outnumber users of basic mobile phones in the US.