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Ryan from 5Pears.org stopped by the Hacks booth at the Maker Faire yesterday. He's been traveling for the last 50 days across the country on his bike, using his phone and a GPS to automatically update a map which details the route he's taken, where he is, and where he's stopped for things like gas and food.
When you're on the road that long and mapping your adventure in real-time, there's a bit of a security need that needs to be considered. Ryan wanted to let his friends and family know where he is, but he didn't exactly want to give out information about where he is currently camping. His solution was to have the PHP script that runs his site monitor his location for movement. If he's been staying within the the same general location, the data won't be plotted to the map until he's moved somewhere else.
5 Pears travel blog - Link.
