Uber is planning to list its shares on the New York Stock Exchange in a deal likely to value the ride hailing taxi app firm at about $100bn.
As mentioned earlier, it is ploughing huge amounts of money into autonomous vehicle technology, and as a result, although it has grown impressively fast, it also routinely incurs heavy losses.
"We're quite quite small right now. It's doesn't matter how you phrase it, we're quite early in the transition from the overall transportation system we have, to something that looks more like mobility as a service in the future," Andrew Salzberg, Uber's head of transport policy tells BBC Radio 4's Today programme.
"I think at the end of the day, people have to be convinced that there's a story here that this growth is going to justify the numbers we're talking about, and that's what we're building."