Uber is now worth $17B. It was only 3 years ago that their ride count was in the tens of thousands and people weren’t sure if they were even worth $50 million.
See Also:
Huge Vote Of Confidence: Uber Raises $11 Million From Benchmark Capital –TechCrunch, Feb 2011
Uber raises $1.2B at a record-breaking $17B valuation –VentureBeat, 2 days ago