gc-gpx-viewer is a web app to display your caches from a gpx file on google maps: https://github.com/Surfoo/gc-gpx-viewer … #geocaching
@Mary__Larsen See http://www.geocaching.com/about/cache_types.aspx … - Unlike Letterboxing this still requires a GPS, though (less and less of a concern with smartphones)
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@jedisct1 which came first? -
@Mary__Larsen Letterboxing, probably. There's also a similar game where people are trading books. Don't remember the name, though.
End of conversation
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