Rapid Prototyping pt3 - Move over Paper

Two clear advantages Fireworks prototyping have over paper prototyping are
1. Portability: It does not matter where in the world the participants are. As long as they have internet connection, you can rapidly get early feedback from them. Paper? If you are not physically presented, the project will be on hold.

2. Knowledge Transfer: What if you were the only person who was crafting out all the papers / designing UIs & AIs on paper? All of sudden, you get in a situation where you no longer able to perform the prototyping? (accident? Papers on fire? Family emergency?) Share