[sidibe]

It'll happen very quickly when they're good enough. As you hire more fruit pickers or pizza delivery people the next one costs the same or is more expensive, opposite for robots. Especially since the cost will mostly go into prototypes and research.

As soon as self-driving cars really work as well as Uber drivers for example, they're not going to roll out super-gradually just because the very first cars cost billions to develop and $200k a piece.