How to Prevent PowerPoint From Ruining Your Lesson or Presentation
The easy way to prevent PowerPoint from ruining a lesson is simple: just don’t use it. Realize quickly that PowerPoint often detracts from the more important message that you are trying to share with students. In his book “Brain Rules”, Dr. John Medina discusses why teachers need to learn why pictures grab attention and stimulate the minds in ways that words do not. He provides a great explanation of this process. The brain doesn’t see “words” it sees pictures of letters that then translate into words as a learned response (this is very much the “Twitter” version).
via How to Prevent PowerPoint From Ruining Your Lesson or Presentation – Synthesizing Education.