Late last year, Philips launched its "Hue" lighting system, offering sets of wireless-enabled LED lightbulbs that allow users to remotely control their lighting, including adjusting to a rainbow of colors, from an iOS app. Hue has been exclusively sold through Apple's online and retail stores, and Philips has been working hard to both bring more features to the system and to open it up to developers to build even more functionality. Philips today