Uber Technologies, Inc. or Uber is an American mobility as a service provider based in San Francisco, California. It currently operates in 10,500 cities across 72 countries. The company has been the subject of a number of controversies. These include both unethical business practices such as flouting local regulations and sabotaging competitors. It has also received criticism for its treatment of employees, facing claims of racial discrimination and sexual harassment in the workplace. Concerns have also been raised about Uber's retention of customer data, particularly in the wake of their handling of data leaks. These issues have led to the company being banned from operating in some countries.