8 Ways to Recycle Your Old Smartphone

What did you do with your old smartphone after you upgraded to the latest iPhone 5 or Samsung Galaxy III?

According to a November 2012 survey, 62% of American households have old cellphones lying around, unused. Discarded iPhones alone account for $9 billion of unused goods in consumers' homes.

If you're among the 62% with dormant phones, we challenge you this Earth Day to come up with some creative gadget recycling solutions. We've rounded up eight ways you can recycle your old phone, from using it as an external hard drive to donating it to a worthy charity. Read more...