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[–] prairie ago 

Remember, too, that 90% of the American population below the age of 30 has never read a paper map and can’t use a compass.

Phones can easily use cell towers, WiFi, and bluetooth signals for location services.

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[–] Cat-hax 0 points 4 points (+4|-0) ago 

What's to stop them from jamming all of that

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[–] HillBoulder 0 points 4 points (+4|-0) ago 

Nothing.

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[–] prairie ago 

I guess they could shut off power to the whole area so people's WiFi go off.

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[–] Talmuhdick 0 points 2 points (+2|-0) ago  (edited ago)

How can you not use a compass, the thing points for you?

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[–] Qsnoop 0 points 1 point (+1|-0) ago 

Most..... people have zero idea how to orient a compass with a map. Or know what declination is.