It means that in its Amazon Go grocery stores, currently up and running at 27 locations in the US, people can shop with no interaction with a human or a till.
They simply swipe their smartphones on the scanner when they enter the supermarket, pick up what they want to buy, and then just walk out. The AI is watching of course, and sends you a bill at the end.
Plummeting costs of automation, use of machine learning to identify your habits and send you optimal marketing messages collides with $15/hour labor with benefits. The result: no jobs.