Uber an American worldwide online transportation network company headquartered in San Francisco, California. The legality of Uber has been challenged by governments and taxi companies, who allege that its use of drivers who are not licensed to drive taxicabs is unsafe and illegal. Uber was founded as UberCab by Garrett camp the founder of StumbleUpon, and Travis Kalanick in 2009 Users can track the car picking them up on their smartphone, which allows them to know when it will arrive. A receipt will be automatically sent via email. IT’S NICE