Welcome to the kitchen revolution

Back in the day, before the invention of supermarkets, most of our food was unpackaged and much of it was fresh.  I remember a time when there were little grocery shops on suburban corners which sold a wide variety of food.  We'd go there, the shop owner knew us by our first name, and we would buy just a small amount of food that we would eat that day.  Many of the people who shopped at these