The second was a fleet of four-door hybrids, an option that would cost the rider less than the original Uber offering. The name of the service, UberX, was simply the best the company could come up with. “It was a placeholder. We called it UberX because we couldn’t figure out a name for it,” says Uber’s product chief at the time, Mina Radhakrishnan, who adds that Uber Green and Uber Eco were briefly considered and rejected. Now, an important clarification: Unlike Lyft and Sidecar, the so-called ridesharing companies that were at that very moment making their debuts in San Francisco, the
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