Lifx are energy saving LED light bulbs that can be controlled by using your smartphone. They can change color, be dimmed, or even programmed to go along with the music your listening to. With a life span of roughly 25 years (40,000 hours) who wouldn't want one?! The campaign is currently running on kickstarter, with over 896,800 pledges they've already surpassed their goal by 896%. Looks like they're on to something.