PC Mag: “Every day, we walk around with a supercomputer in our pockets. It checks the weather, searches the internet, plays games, streams media, takes pictures, and analyzes data. Smartphones are great, except for the fact that newer, better versions are always on the horizon. Most of us can probably use the same phone for years, but the upgrade cycle means it’s always tempting to splurge on a shinier model. You can save a few bucks by selling your old phone when you buy a new one, but there are times you end up with an extra, aging smartphone hanging around. Instead of letting that device collect dust, reuse it! If it connects to Wi-Fi, it can still be a handy addition to the household. Here are a few cool things you can do with your old smartphone…”