And if they pulled out their iPhone with fully charged battery and up to date database using the same application, would you then give them the tick of approval?
No matter how many iThingies they have at their disposal, all the gadgets are referencing transmissions from satellites that can be jammed.
What then?
I find it amusing when friends recount how good their children are who do geocaching. Using a GPS based mapping app does not teach map reading skills.