Car brand BMW has unveiled an updated version of its electric iX SUV at the Consumer Electronics Show that can change colour from black to white in order to suit the driver's mood and conserve electricity.
Dubbed iX Flow, the concept car is wrapped in a kind of "digital paper" that is also used to form the screen of the Kindle e-reader. This can change colour in one fluid motion when prompted by an electrical impulse, making it possible for the driver to match their car to their personal style or the weather.
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