As the authors of the study observed: âDeath sentences represent less than one-tenth of 1% of prison sentences in the United States, but they accounted for about 12% of known exonerations of innocent defendants.â
Uber Technologies Inc. is an American multinational online transportation network company headquartered in San Francisco, California. It develops, markets and operates the Uber mobile app, which allows consumers with smartphones to submit a trip request which is then routed to Uber drivers who use their own cars. As of August 2016, the service was available in over 66 countries and 507 cities worldwide.
The difference would be that Uber is the Name of the company (and the app) while UberX is one of the services provided by it. But I guess that is not what you are asking here. So let me list out the various kind of Cab services available from Uber.