In order to ensure device anonymity, the Bluetooth sensors only send a derivative of each device's MAC address to the bridge's main controller, so consider this a Bluesnarfing safe-zone.

ENGADGET: This week only, London's Tower Bridge is the world's largest Bluetooth device

While the update isn't available over-the-air, PC users may snag the latest OS with Sony's PC Companion, whereas Mac users can do the same with the Bridge application.

ENGADGET: Refresh Roundup: week of July 2nd, 2012 Mobile

My "luk" was not "werking" as ghosts in the machine mysteriously wiped out the MAC address on the USB HomePlug adapter in the unit I tried, and the HomePlug bridge that I normally use had some compatibility issues.

ENGADGET: Switched On: Creep spy for the cheap guy

RationalCraft's software is free to try out now, although the requirement for at least two big TVs, a Kinect controller and a fast Mac should say all there is to know about the practical cost of pretending the Golden Gate Bridge is visible from inside a living room in Cleveland.

ENGADGET: Winscape virtual window makes the leap to Kinect in 4K-capable, 6-screen glory (video)