Which of the Following Statements Best Describes How Blogs Are

Which of the following statements best describes how blogs are used to provide up-to-date information to the press and the public?

A) Blogs that provide information to the press and the public are written only by top managers.
B) Many companies now use blogs for connecting with their customers and to generate buzz that they hope will go viral on the Internet.
C) Blogs can replace other communication channels in a PR crisis or an emergency.
D) Blogs are usually used internally and are seldom used to provide company information to the press and the public.