Your old smartphone can be recycled or traded in for extra cash. Yet 29% of Americans are stashing devices at home, while others throw them away. 10% of US adults don't know what to do with their old devices. My 's poor battery life forced me to upgrade to a new recently. Now the old phone is sitting in my house while I figure out a plan for it. I could trade it in with my or donate it to a charity. But the longer I wait, the more new phones are coming out, such as...
