All of the Following Are Useful Guidelines for Conducting Videoconferences

All of the following are useful guidelines for conducting videoconferences EXCEPT:

A) Participants should identify themselves and their location at the beginning of the meeting.
B) Turn off cell phone ringers before the meeting begins.
C) Any documents that will be discussed should be sent ahead of time to all participants.
D) To allow participants of any socioeconomic status to participate, use the least expensive equipment you can find.