Where I live in western Canada there's still some regional dairies that have reusable glass bottles (they even put the year the bottle entered circulation, they

Where I live in western Canada there's still some regional dairies that have reusable glass bottles (they even put the year the bottle entered circulation, they seem to last several years pretty easily). In Denver, there's a dairy that still does morning delivery in reusable bottles, albeit plastic. The model still seems to work fine on a certain scale.