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

Social networks are now widely used for both internal and external communication in contemporary business. Many companies use social networks to connect with their customers, promote their products or services and to stay updated with industry trends. Additionally, social networks are also used internally as a way for employees to collaborate and share information within the company. Social networking is an important and growing communication medium for businesses.