[asah]

This assumes you always have reliable GPS:

- areas that lack map details and obstructions that preclude straight line paths, e.g. deep forest

- wartime GPS blocking

- device failure incl battery

- errors in mapping data

- maps that contain other information not found in your GPS-enabled map

[tmnvdb]

Like it or not, you live in an industrial society that depends on a million things you can not possibly recplicate or repair if they fail.

[analog31]

My mom used these arguments against pocket calculators when she taught high school math. What if the battery dies?

Now calculators are solar powered, or built into your...

What if your phone battery dies?

[williamcotton]

So then carry a map or ask for directions when these situations arise? What does this have to do with the positive trade-offs when using GPS?