The idea is not new but cleverly used anyway.

A very cool project and clever marketing act by software maker Autodesk:

The BIGVIZ is an exploration in visualizing the Big Ideas presented on the TED mainstage. Two visual cartographers, David Sibbet and Kevin Richards, created over 700 spontaneous sketches of the presenters’ ideas using Autodesk Sketchbook Pro software running on Wacom Cintiq tablets and rendered on a Perceptive Pixel multi-touch display. These tools illustrate the power of interactive visualization to present the big picture to foster insight and communicate ideas visually, central principles of design innovation.

Download the stunning 200 page PDF here (50MB)