When was the last time you were browsing the aisles at Thermostats 'R Us or ThermoMart and thought, "man, that thermostat looks so great I just want it in my home, regulating its temperature"? Probably never. But the Nest, designed by the minds behind the iPod, actually invokes that reaction--it predicts which temperature you'll want based on past behavior, and looks pretty sweet, too. Read more here