Help in Public Speaking

The Website that I found gives 6 great tips on improving anyones public speaking. The Berkeley's Office of Education Development is really helpful to make the person's public speaking more effective. Here are the 6 tips:
1) Keep the audience in mind as you you prepare.
2) Stay away from predictacble beginnings, and start with a intriguing questions.
3)Get some clear goals that is most important points and focus on them.
4)Talk about your material instead of lecturing about it.
5)Interact with the audience by asking questions,get people involved, because peoploe learn better when they are active in participation.
6)Leave time for question and answer and address everyone politely.