LONDON, ENGLAND - JUNE 11: A London taxi driver speaks with Police Officers during a protest against a new smart phone app, 'Uber' on June 11, 2014 in London, England. London's licensed black taxi drivers are campaigning against the introduction of the 'Uber' taxi smartphone app in the United kingdom. Drivers say that there is a lack of regulation behind the new app. (Photo by Dan Kitwood/Getty Images)
