>The main question, remaining unanswered, for Uber's success is if the network effects for Uber will be as powerful as for, say, Facebook They are incomparable

>The main question, remaining unanswered, for Uber's success is if the network effects for Uber will be as powerful as for, say, Facebook They are incomparable. Facebook has an inbuilt virality and stickiness. It only works because your friends are using it too. Uber has none of this. All their growth will be for nothing as soon as they run out of cash and stop subsidising the market.