Could you live without GPS? It's OK, the economy can't, either

The Indicator from Planet Money

A recent survey found that nearly half of all Americans say they could not live without GPS in their car. The American economy couldn't live without GPS, either! Clocks on Wall Street, commercial fishermen, and of course, your Lyft driver, all rely on satellite navigation services.
An outage in those services, however, would cripple the U.S. economy. A study found that an outage could cost at least $1 billion a day ... and we don't have a backup.
Today on the show, we explain who owns GPS and why we don't have a Plan B if it fails.
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