Learning the Art of English Conversation: 10 Tips on How to Speak Effectively in Public

Good suggestions for public speakers (all, not just language learners). Here is my summer, but I encourage you to take a look at the original for all it’s glory.
1) look your best
2) stress important points
3) be humble
4) have a sense of humor
5) develop non-verbal language skills
6) careful with gestures
7) use simple language
8) engage audience
9) believe what you are saying
10) inspire listeners to take action