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It's now Official
Got your own blog yet? If not you'd better hurry up if you don't want to be beaten to it by a flock of pigeons. Later this year 20 of the birds will take to the skies above San Jose, California, each carrying a GPS receiver, air pollution sensors and a basic cellphone. They will measure levels of pollutants they encounter, and beam back their findings as text messages to a blog in real time.