BAD PowerPoint presentations are for the speaker's benefit. They are just transparent notes. Professors are the most guilty of this with a VERY close second any

BAD PowerPoint presentations are for the speaker's benefit. They are just transparent notes. Professors are the most guilty of this with a VERY close second anyone that just is a bad public speaker. GOOD PowerPoint presentations add to the speaker's presentation and requires more from the speaker and less from the audience. These are very rare. People who are selling you something are the most likely to do this well.