London Taxis Plan 10,000 Car Protest in June Over Uber App [Getty Images]

A user scans for an available vehicle using the Uber Technologies Inc.'s app on an Apple Inc. iPhone 5 smartphone in this arranged photograph in London, U.K., on Friday, May 30, 2014. London's taxis are planning a 10,000-cab protest next month, as professional drivers across Europe demonstrate growing opposition to the Uber app. Photographer: Chris Ratcliffe/Bloomberg via Getty Images

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