Which of the Following Statements Is TRUE

Which of the following statements is TRUE?

A) LinkedIn functions as both a distribution tool and a networking tool.
B) YouTube is primarily a distribution and collaboration tool.
C) While LinkedIn is primarily useful for creating business networks, Facebook should only be used for non-business social networking.
D) Employers will often explore your LinkedIn profile when you apply for work, but since Facebook is intended as a social tool, it is of little interest to them.
E) Since Twitter is primarily a tool for casual communication, businesses should not use it to avoid looking unprofessional.