People used to say that Uber can't get that big since the taxi market in [city] is only x. And then Uber quickly grew its business in said city to 5x. Exhibit

People used to say that Uber can't get that big since the taxi market in [city] is only x. And then Uber quickly grew its business in said city to 5x. Exhibit A: http://fivethirtyeight.com/features/uber-isnt-worth-17-billion/ http://fivethirtyeight.com/features/uber-isnt-worth-17-billi...