In many cases, people refer to the PowerPoint slides as the presentation. In my opinion this is a big mistake. When you are presenting, YOU are the protaganist, your slides should be there only to support your verbal messages.
Many business presentations are incredibly boring due to the fact that there is a great dependance on PowerPoint slides. This article argues for a change in this approach and advocates presentations where the focus is more on the speaker and the originality of their message.