Understanding consumers' desire for products that reduce their household energy costs, both of LG's 3D LED HDTVs have a variety of energy-saving features, such as Intelligent Sensor to automatically calibrate and optimize brightness, contrast, white balance and color, based on the ambient light in the room, thereby saving on energy output under most circumstances.

ENGADGET: LG's 3D bundle adds two pairs of glasses, $100 rebate and Under the Sea 3D disc

Unlike intelligent tags and the idea of a 'smart dust' -- sensor devices in all objects and appliances that are always 'on' -- the person wearing a sensor-enabled coat would be able to choose with whom or what it interacts with.

CNN: Future dress code: Very smart