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Why the indoors could be the next frontier for map-makers

Google launched a rucksack last year. No, it wasn't another piece of Google-branded kit for its long-suffering employees: it was a piece of mapping equipment. 

The Cartographer, as the rucksack is grandly known, is a mapping device design to create maps of the insides of buildings. It's, er, quite utilitarian in appearance:

As its wearer wanders through a building, the rucksack maps its floorplan using something called SLAM: "simultaneous localisation and mapping technology". The user also marks important information – like room numbers or shop names – on a tablet. 

Read full article HERE.