Those who can't speak join Toastmasters; Those who can also join.

Listening to some Grammy award winners acceptance speeches can be like hearing them sing underwater. Ever heard of Toastmasters?

Listening to some Oscar winners acceptance speeches can be like seeing them in high definition without makeup.

An actor's script is like makeup. It can often mask the blemishes of their speaking skills. Every listen to an Oscar award acceptance?

If you have an important point to make, don't try to be subtle or clever. Use a pile driver. Hit the point once. Then come back and hit it again. Then hit it a third time - a tremendous whack.

The customer is always right' may have become a standard motto in the world of business, but the idea that 'the audience is always right,' has yet to make much of an impression on the world of presentation, even though for the duration of the presentation at least, the audience is the speaker's only customer.