Which of These Best Characterizes Social Networks in Contemporary Business

Multiple Choice

Which of these best characterizes social networks in contemporary business?

A) They are widely used inside companies but rarely for external communication
B) They are widely used outside companies but rarely for internal communication
C) They are now a major force in both internal and external business communication
D) Only consumer-goods companies bother with social networks
E) As a business communication medium,social networking is well past its prime