I usually tend to think that the benefits of the mobile revolution are a bit overblown but this is just too striking.
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(click on it for bigger picture)
That’s the variation of weekly fish prices in three different costal regions of India where fish is a staple and fishing a major economic activity. Not only a neat graph, this is considerable improvement for the lives of both fishermen and fish consumers. And did I mention that those regions are in Kerala of all places ?
Oh yeah, taken from this paper (pdf).