A NERF installation at MailChimp headquarters in Atlanta! Created by The Bigger Design, it employs a custom cart to hold dual Vulcan guns that can be controlled from online users.
A technical overview of the NERF Sentinel. This video appeared as part of the AdobeMAX 2010 Keynote.
The original video that started this nonsense/awesomeness. A NERF BFG mounted on a homebrew swivel stand, hooked up to an Arduino board, upfit with a webcam on top, and brought to life with Adobe AIR.