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Snap a photo of a house to learn everything about it

When we were searching for a house, Zillow was a GODSEND. It makes so much relevant housing data available at your fingertips. But I've found something even better: HomeSnap — an iPhone app which uses GPS data, combined with the nifty hardware inside your smart phone like readings from the gyroscope and accelerometer, to give home shoppers instant access to data on a neighborhood, a home's value, its trending value…all based on a photo you snap of the house.