The Best Way to Dispose of Old GadgetsFrom erasing your data to finding an e-waste recycler, here's what you need to know when you're ready to let go of your old tech.

问:What's the best way to safely and securely dispose of my old tech devices?

A:Sounds like you recently found yourself staring in bewilderment at a closet full of discarded and useless computer towers, monitors, desktop printers, keyboards and other old electronic devices. According to Mark Bowles, founder and chief marketing officer of San Diego-basedecoATM, you're not alone in confronting this digital disposal dilemma. The U.S. generated 2.4 million tons of e-waste in 2010, and GBI Research expects global e-waste recovery to be a $21 billion industry by 2020.