Powerpoint can be a very good presentation style. With some of the new graphics and options they have, it makes the slides 10 times better. Here is a link that gives demonstrations... Although Powerpoint can be good, I don't like it and hope not to use it. But our presentation can have inspiration in which stems from it.
This next idea would be wildly inapropriate, but has a very good point in trying to get the attention of the audience.
This website is for documentation.