https://techcrunch.com/2018/09/17/amazons-cashier-free-go-store-opens-in-chicago/

Now that Amazon’s proven the efficacy of Go with a trio of Seattle locations, the retail giant is starting to open up its cashier-free Go stores at a steady clip. New York and San Francisco are already on the horizon, and the company just sneakily launched a new store in Chicago. 

An Amazon ChicaGo, as it were.