Single point of failure

I found this article on our growing dependence on GPS very troubling. An excerpt:

GPS jamming and spoofing can have serious effects on geolocation and communications technologies that rely on GPS for positioning and timing; maritime and aircraft GPS use, and even stock market trading, can be affected by jamming, researchers said at the conference. . .

“Our modern society is almost completely reliant on GPS,” [University of Texas researcher Todd] Humphreys told the conference. “It could be deadly.”

We society really shouldn’t have a single point of failure. We need to fix that. But in the meantime, we probably shouldn’t let the president’s LightSquared cronies break the system.

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