how to build or buy the best apps for smarter, safer, more adventurous travel

Satellites and Soup Nazis: The Trials and Tribulations of Using GPS in a Smartphone Tour

My first attempt to build a smartphone tour was an abject failure. I used a framework that I thought was fantastic until I started testing my own product. Then the app had me walking into duck ponds, slamming into concrete barricades, and becoming entangled in rose gardens. Not good! The problem was that both the framework developer and I tried to get too fancy. We were using the device’s Geographic Positioning...

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