There are several MiFi devices out there these days but none as cheap as the one by Virgin Mobile. A MiFi allows you to get on a cellular network via your devices WiFi. Your laptop or iPad has WiFi but probably not built-in cellular network support. This bridges that gap.
The Verizon MiFi is a new device that provides Internet from Verizon’s cellular data network. What makes it so special is that it is also a small router providing Internet for up to 5 people. It can run off of a battery and is the size of a deck of