Unless you plan on having a data plan and alway shaving reception, it's not much use unless you find an off-line/preloaded map. Luckily, the iPad and Android tablets should be covered. Playbook is not...
Why do you need an offline map?
Tether your tablet to your phone.
Some of us dinosaurs don't want to pay for a data plan, or a smartphone for that matter...
Some of us dinosaurs don't want to pay for a data plan, or a smartphone for that matter...