It seems like a lot of things are coming home to roost right now for Uber. As with many things, I think that Uber is the first player in an arena where the second player tends to survive (because they learn from all the first player's mistakes for free, the groundwork is laid, etc). The barrier to entry for an Uber competitor is quite low and trust is the only thing that keeps Uber afloat. If they don't realize that…
The "low barrier to entry" is repeated on every Uber story and I don't get it. It's a business with a very strong network effects: you need both sides of the market because without drivers, users are not interested and without users drivers are not interested. Uber seems to have a big lead over competition here, is growing like crazy and they raised insane amounts of capital so that they can grow faster than competit…
It's the reason Uber is taking such extreme measures to scare "it's" drivers into not simultaneously listing themselves on competing apps. See: http://money.cnn.com/2014/08/04/technology/uber-lyft/