Have a laptop but no Wi-Fi? Turn your Android phone into a modem and get your computer connected to the Net in seconds.

Hotspot not working at the coffee shop? No free Wi-Fi at the airport? Let your Android phone come to the rescue: $25 app Tether lets your laptop tap your phone's wireless data goodness.

Sometimes your smartphone's Web browser isn't enough. Here's how you can tether your phone's wireless broadband to your laptop.