The H2Orb is a computer controlled shut off that detects malfunctions in your toilet and shuts off the water supply. The device works with wireless controls in the tank and bowl and connects to standard supply line shut offs.
Not only does the device detect and shuts off the water supply, it also is equipped with an alarm to let you know that the water has been shut off. But wait, there's more. The device will also tell you what caused the malfunction.
Consider the H2Orb your own personal HAL 9000. Unfortunately, you can't play chess with it, but on the bright side it can't exile you in the endless abyss of outer space.