Google Map Maker

An article on the usefulness of Google Map Maker data in disaster relief ( It is very useful data and at MapAction we’ve used GMMdata very often when in countries with little or no base mapping data. We also use OpenStreetMap data too. It would be really great if Google allowed the data user created to be shared with OpenStreetMap ( then a ‘best’ dataset could be used and distributed to the benefit of disaster relief and humanitarian efforts. Will this ever happen? Probably not. What do you think? Which is better – OSM or GMM? Last year Muki Hakley did a comparison of GMM data compared to OSM for Haiti (image below). See Muki’s blog for more about the comparison (

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