Google is employing the hive mind in mapping parts of the planet where existing data is difficult to obtain. Their mapmaker service allows people to chart out their environment using collaborative tools.

Below we see Islamabad, Pakistan taking shape:

The emphasis of the service on regions where existing map data is thin is represented in this image of the world as currently mapped out by the internet users globally:

Larger version

Previously:
Photo sharing site as latter day cartography service

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