Hotspots are a physical location or device; Wi-Fi is a wireless technology that devices can use to send information to each other. If you have Wi-Fi at home, it's because you have a Wi-Fi router ...

If you need free wifi, this app can help. But free wifi ain't all it's cracked up to be. The rise of unlimited data plans means fewer of us are desperate for wifi. Mobile hotspots make it easy to pass ...