Originally Posted by Dubdub
Short answer - Nope. GoogleMaps (and BBMaps) download map data as you move. therefore a WiFi/Hotspot connection won't do you much good. You should checkout the GPS section for more info.
You really need a BB data plan to get the most out of the device. Read the FAQ article on my you need a data plan.
Quite right that using Google Maps or BBMaps through WiFi won't allow you to use those apps 'on the move', as you'll soon be out of range of the WiFi, but they will work with WiFi. You can use the map apps to look things up.