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The Fact
Modern navigation makes things a lot easier for travelers! Our modern GPS systems operate thanks to 24 satellites orbiting the earth that are positioned in six earth-centered orbital planes, and your GPS needs to communicate with 4 of these satellites in order to present you with an accurate location.
Wish I could have boomerang money! I spend it but they return. Wish I could have the "Boomerang" bank - I put my money in it and it brings'em back and so forth.