I'm just back from Google Zeitgeist, where the theme this year was Mindshift. I got to give one of the "Ignite" talks, which are 5-minute presentations are about a single new idea or product or way of looking at something.
These are done in a strict blitz format: 5 minutes; 20 slides; 15 seconds per slide, auto-advanced. No notes! No mercy!
My talk was about "How to Use your Adult Brain to Learn Foreign Languages". Here it is. I promise you will laugh.