From the Ignite site:
Ignite is a geek event in over 100 cities worldwide. At the events Ignite presenters share their personal and professional passions, using 20 slides that auto-advance every 15 seconds for a total of just five minutes.
Check out this video by O'Reilly author Scott Berku on the why and how of giving an Ignite talk:
Common Rules:
- You get 5 minutes to speak
- 20 Slides
- Slides cycle every 15 seconds
Optional Rules
- "no ini slide transitions"
- "no product pitches"
- "no reading notes"