Presentation

Presentation I: 1.What was the topic of her talk? 2.What was her final point? Presentation II: 3. What was the topic of his talk? 4. What does he invite the audience to do when they leave? Presentation III: 5. What was the topic of her talk? 6. What was her third point? Presentation IV: 7. What discount does he offer on his latest book? 8. What's his website address? Which presentation ending did you like the most? Which one was the most effective? Which one was the worst?