New Mango Phone, Cheaper Nintendo 3DS, Cars and Camcorders

On World Tech Update this week, the Mango edition of Windows Phone makes its debut in Japan, Samsung and Verizon launch a 4G LTE version of the Galaxy Tab, Nintendo cuts the price of its 3DS amid slow sales and quarterly losses, Toyota's new technology helps cars avoid collisions with pedestrians and we test out the Contour+ wearable camcorder.

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