About this episode

TV-UN

C. Sharada Prasad (aka "CSP") is an amazing guy at the Indian NGO Arghyam. He rode a motorbike for 20,000 miles across India this summer to document the issues facing Indian communities who lack safe drinking water. Here he talks to Mark about the basics of geotagging - how it works and how he used it on his journey. We also talk about the ability of geotagging to associate photographs He talks about melding GPS receivers, Flickr's online photo service, and an internet tool called Everytrail which let's you map journeys with pictures.He describes how it could change how we map and document:"You're creating history....in a sense, at that moment, this what there was - a tree or a lake or a mountain..." And the best bit is I think we did a deal to try some of this next week in Gujurat province as I visit some water and sanitation development projects.

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