I visited Amazon's robot factories and got an inside look at how it builds and trains them

I got an up-close look at Amazon's autonomous robot, Proteus.

Madeline Stone

• Amazon has invested heavily in robotics and automation for its fulfillment centers.
• Its robots include mobile units, robotic arms, and sortation systems.
• Business Insider got an inside look at how the robots are made in facilities outside Boston.

Amazon is making big bets on robotics and automation.

What started with its $775 million acquisition of Kiva Systems in 2012 has grown...