I watched over two hours of footage of Tesla's robotaxi service: I saw an Uber-like app experience, the in-car interface, and miles of Austin streets.

The limited rollout came after Gov. Greg Abbott on Friday signed legislation requiring a state permit to operate self-driving vehicles in Texas.

The automaker deployed a small fleet of self-driving taxis in Austin, Texas, on Sunday, marking the first time its cars have carried paying passengers without human drivers. The rides were being offered for a flat fee of $4.20 in a limited zone.