RT @140MTL: "The cha…
RT @140MTL: “The challenge of marrying realtime information+ location+the crowd” #140Mtl @echoerapp Daniel Cowen http://t.co/3P6GWMsY
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RT @140MTL: “The challenge of marrying realtime information+ location+the crowd” #140Mtl @echoerapp Daniel Cowen http://t.co/3P6GWMsY