For an easy way to trade-in old tech gear, it’s hard to beat online services that offer cash or store credit for your unused phones, PCs, music players, video games, and DVDs. A variety of big-name ...

Remember CDs? People used to store them in large metal towers and get them in packs of 12 from Columbia House. Now that you can listen to your Hootie & the Blowfish albums on Spotify and iTunes, CDs ...