As the president of his college honor society, Quincy has been asked to give a speech to a local senior citizens' organization. Quincy spends a lot of time working on his presentation aids, thinking that they will help his audience follow his topic more easily. He uses many PowerPoint slides and video clips. About halfway through his speech, Quincy notices that his audience members seem distracted, and he even sees some of them walk out. In considering demographic characteristics, it seems that Quincy did not carefully consider

A. occasion.
B. sex and sexual orientation.
C. age and facility with computer-mediated communication.
D. physical and mental characteristics.

Answer: C