In Navevo's case the data will be used to flash a warning symbol on its sat-nav maps when a driver approaches a "warning zone" with a 50m (164ft) radius circle drawn around the area.

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The device itself is a fairly standard affair, boasting a 4.3-inch WQVGA display, a 400MHz CPU, 64MB of RAM, an SD card slot, an FM transmitter, Bluetooth, and maps of the US and Canada pre-loaded on the unit's 2GB of internal flash memory -- an RDS-TMC traffic information receiver is also available as an optional accessory.

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The game will launch with a dozen characters, including Flash, Gaslight Joker, Green Lantern, Poison Ivy, Wonder Woman and Doomsday, and three maps.

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