PowerPoint Tyranny -- Dickeson

And then there's all that PPPhluff, as Tufte calls it. It starts with the colors and presentation style of "templates" that further constrain the space available for context. It includes the points flying in from left or right, above or below, in some kind of mysterious pattern of appearance and disappearance, or fading to different colors. There are even sound effects for emphasis. Anything, anything at all to keep the audience awake!