For a persuasive spech on a question of fact, once you've formulated your thesis, you can generate your main points by asking the simple question

All of the following are associated with competent conversational skills EXCEPT

a. asking questions about the environment. b. crediting the source of ideas. c. maintaining conversational coherence. d. speaking at length about minutiae unrelated to the topic of discussion. e . indicating closure with "exit lines."

The marketing wizard behind Apple Computers was________

Fill in the blank(s) with correct word