Everyone used to get their milk from the milkman; it would come in glass bottles that would be picked up and refilled. As women joined the workforce it became less convenient than picking up the new cardboard-packaged milk at the supermarket.

Everyone used to get their milk from the milkman; it would come in glass bottles that would be picked up and refilled. As women joined the workforce it became less convenient than picking up the new cardboard-packaged milk at the supermarket.