Uber's nightmare scenario: How everything could go wrong for the world's hottest new company

Uber is the most valuable private tech company in the world right now.

In January, the company worked out a $1.6 billion convertible-debt round with Goldman Sachs, bringing the total amount of money Uber has raised since its 2010 launch to more than $4 billion and valuing the company at more than $41 billion.

But Uber isn't infallible. The company has competitors, it's working through regulatory battles, and it relies on independent contractors. So we decided to look at some of the nightmare scenarios Uber could potentially find itself facing in the future.