Geohashing is an outdoor recreational activity inspired by the webcomic xkcd by Randall Munroe, in which participants have to reach a random location (chosen by a computer algorithm), prove their achievement by taking a picture of a Global Positioning System (GPS) receiver or another mobile device and then tell the story of their trip online. Proof based on non-electronic navigation is also acceptable.
Geohashing is an outdoor recreational activity inspired by the webcomic xkcd by Randall Munroe, in which participants have to reach a random location (chosen by a computer algorithm), prove their achievement by taking a picture of a Global Positioning System (GPS) receiver or another mobile device and then tell the story of their trip online. Proof based on non-electronic navigation is also acceptable.
Source: Wikipedia "Geohashing" · CC BY-SA 4.0
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