The e-commerce giant has ingratiatingly named two of the bots after Sesame Street’s Bert and Ernie. Ernie, meanwhile, is a workstation system that removes totes from robotic shelves and then deliveries them to employees. The duo may one day be joined at work by another pair of robot colleagues: Scooter and Kermit, which transport carts across facilities. [Read: Why entrepreneurship in emerging markets matters] In April, Jeff Bezos revealed another system designed to improve worker safety: an algorithm that rotates staff around tasks that use different body parts. Greetings Humanoids! Did you know we have a newsletter all about AI? You can subscribe to it right here.