Secret to Success & A Little Fun

Watch the following TED talk

https://www.ted.com/talks/joachim_de_posada_says_don_t_eat_the_marshmallow_yet?utm_source=tedcomshare&utm_medium=referral&utm_campaign=tedspread

Rate the presentation 1-5. Discuss your reasons for the ratings with the people in your group (those who rated it the same as you). Come up with a group reason for the rating that you can share with the class. 

How could the speaker have improved the presentation?

Just for fun: