GPS Navigational Systems
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I. Problems with your current system
A. The current method of navigation, whether in a car, a boat, or by foot, is cumbersome and it isn't very convenient.
i. Large maps and travel guides provide useless information.
ii. Maps aren't enough; you also need a compass to make sure you are traveling in the right direction.
iii. Maps are dangerous to look at while driving.
B...