At Denver airport, phone thinks that I a…

At Denver airport, phone thinks that I am still in Salt Lake City, as AT&T GPS service doesn’t pick up. Location-based apps of Gowalla and Foursquare assume technology doesn’t fail, and therefore the apps require GPS operational. In contrast to this American closed loop system, Brightkite trusted me in the Finnish style to report where I was when GPS fails. How about a system design with some graceful degradation?

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