see more

An employee assembles a recycled Apple Inc. iPhone at a Green Citizen recycling facility in Burlingame, California, U.S., on Thursday, Dec. 6, 2012. Green Citizen collects and disposes old electronics in the San Francisco Bay area, tracking everything to ensure the gadgets are recycled back into raw material, or refurbished and resold. Photographer: David Paul Morris/Bloomberg via Getty Images

An employee assembles a recycled Apple Inc. iPhone at a Green Citizen recycling facility in Burlingame, California, U.S., on Thursday, Dec. 6, 2012. Green Citizen collects and disposes old electronics in the San Francisco Bay area, tracking everything to ensure the gadgets are recycled back into raw material, or refurbished and resold. Photographer: David Paul Morris/Bloomberg via Getty Images