It used to be that when a light bulb burnt out, you had just a handful of choices to replace it. With the wide variety of energy-efficient bulbs out there now, it can be confusing to figure out which one works with which socket. The free smartphone app Light Bulb Finder works with your zip code and lighting needs to instantly recommend energy-efficient bulbs. These bulbs will fit and look right and are the best value. CFL, LED or Halogen? Now you don't have to decide. Visit lightbulbfinder.net for more information.