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• Yahoo offers geographic data to Web sites | Tech news blog - CNET News.com

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• Scale Landmarks

  Free Download — This dataset presents a diverse assortment of measurements that make it easier to understand the magnitude of any result you may encounter. It has landmarks in length, area, velocity, energy, time, mass, density, volume, temperature, force, acceleration, power, angular momentum, pressure, number and population, thermal conductivity, resistivity, magnetic field, sound ...