Do you see the evolution of iRobot-esque autonomous cleaners as a threat to your business? Are you planning on pulling an uber with all the capital you raise and pursuing R&D of said devices?
If anything, in Uber's case, the other players have shown it can be a wise choice to form partnerships rather than to take on the risky and capital intensive process of building up an in-house R&D unit.
Uber has raised 12.5 Billion dollars.