Which Statement Accurately Describes Social Media

Which statement accurately describes social media?

A) Social media are still relatively new and untried communication channels for most businesses.
B) Most businesses today have discarded old media and instead use social media exclusively for communicating and marketing.
C) Social media networks first attracted industries built on tradition and formality.
D) Social media sites such as Facebook and Twitter offer positive ways to promote a business and to reach and react to customer concerns.