What Are the Advantages of Using Social Media Sites to Research

What are the advantages of using social media sites to research a job candidate?

A) Social media sites allow employers to ensure due diligence in investigating potential employees.
B) Social media sites allow employers to find information that might be illegal to ask about during the interview.
C) Candidates tend to be more honest on social media sites than in person.
D) Social media sites can be controlled with privacy settings, ensuring only the most relevant information is accessible.
E) Social media sites can be viewed by all members of the interview team, so everyone has the same level of knowledge.