This article is by Bill Rosenthal, the chief executive of Communispond, a provider of communications training. You can’t make an effective presentation if you read from a script, rely too much ...

Speak from the heart (and not a script) in order to engage your audience. Otherwise you risk losing your credibility.

‘Solo’ Director Ron Howard Has a 3-Step Checklist for Scripts. Using It Will Help Your Pitch or Presentation Master the art of presentations with this checklist by a legendary movie director.

Which means it would take 2 1/2 hours for the average person to memorize a 400-word script. That's too much of a time investment for only a three-minute presentation.