9 tech giants who think robots could replace countless American jobs over the next 20 years

Asa Mathat D: All Things Digital

In fulfillment centers around the US, thousands of tiny orange robots sort packages for Amazon. In a California factory, red, multi-armed machines assemble Tesla's electric vehicles of the future.

This is the world the tech industry is creating.

According to most available data, the next 20 years will involve rapid automation of manual labor and customer service jobs. Millions of employees could be forced to learn new skills or change roles entirely.

Here's how the tech executives are responding to the threat of a robot takeover.