After all the fanfare from techies worldwide, the touchscreen coffee table that could change the world is just getting started. Senior technology editor Glenn Derene, who was the first journalist to go hands-on with Surface, analyzes the top-secret development and the limitless future of this mind-blowing device -- from your home to your electronics store and beyond. Plus: tips for making your house more energy-efficient, inside the FAA's high-tech plans for air traffic control and how to be a wind farmer.