Writing Homework Help

I’m working on a article writing writing question and need an explanation and answer to help me learn.

Watch the video (video is at the bottom of the page): 

http://speakingsherpa.com/mckinsey-presentation-tips-gene-zelazny-at-wharton/

Gene Zelazny, former director of visual communications for McKinsey & Company and the author of one of our recommended resource texts, gave this lecture on presentations at Wharton Business School in 2001.

In no more than two paragraphs of four to five sentences each, discuss two points that Zelazny makes about developing and delivering presentations that will be helpful to you in preparing your own presentations.