Article by Nancy Duarte, CEO of Duarte Design, author of Resonate: Present Visual Stories that Transform Audiences (Wiley, 2010) and Slide:ology (O'Reilly Media, 2008).
* Create crisp images; imagine your key points being rebroadcast.
* Craft a rallying cry like "Yes We can!"
* Coordinate key phrases in the presentation with press materials
* Use catchy words / phrases
* Make it memorable; repeat it more than once, pause while saying it to allow audience to write down, show it on a slide to reinforce visually
* Imitate a famous phrase