cylonlover writes "When Chaotic Moon Labs debuted the Kinect-powered Board of Awesomeness — and its mind-reading offspring, the Board of Imagination — that was apparently just a preview of a more practical product the company had in the works. Grocery store chain Whole Foods recently gave a demonstration of Chaotic Moon's latest device, which uses the same technology in a self-propelled shopping cart. The 'Smarter Cart,' as it's been named, can detect what items are placed in it, match those to a shopping list, and even follow shoppers around the store on its own."
If it happens once, it's a bug. If it happens twice, it's a feature.
If it happens more than twice, it's a design philosophy.