touchwall

Gates Demonstrates Touch Wall (4 min 39 sec)
Microsoft Chairman Bill Gates demonstrates Touch Wall, a new hardware technology from Microsoft that creates a touch-based “white board” interface that lets users interact more naturally with data and applications on their computer. Microsoft CEO Summit 2008, Redmond, Wash. May 14, 2008.
.wmv file (27.7 MB) | .mpg file (279 MB)

more here: https://www.microsoft.com/presspass/events/ceosummit/default.mspx