(2017·苏锡常镇四市二调,C)
Global Positioning Systems are now a part of everyday driving in many countries. These
satellitebased systems provide turnbyturn directions to help people get to where they want to
go. But they can also cause a lot of problems, sending you to the wrong place or leave you
completely lost. Many times, the driver is to blame. Sometimes a GPS error is responsible. Most
often, says Barry Brown, it is a combination of the two.
Barry Brown is with the Mobile Life Centre in Stockholm, Sweden. The center studies
humancomputer interaction, or HCI, especially communications involving wireless devices. We
spoke to Mr Brown by Skype. He told us about an incident involving a friend who had flown to
an airport in the eastern United States. There he borrowed a GPSequipped car to use during his
stay.
Barry Brown:“And they just plugged in an address and then set off to their destination.”
And, then it wasn't until they were driving for thirty minutes that they realized they had put in a
destination back on the West Coast where they lived. They actually put their home address in. So
again, the_GPS_is_kind_of_“garbage_in_garbage_out”.
Mr Brown says this is a common human error. But, he says, what makes the problem worse
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