From the early days of retailing, all merchandise frequently were being fetched by an assistant from shelves behind the merchant's counter though shoppers waited in front of the counter and indicated the merchandise they preferred. Also, most food items and products didn't can be found in the separately wrapped, consumersize deals that we choose for granted currently, so an assistant experienced to evaluate out and wrap the exact quantity sought after because of the customer. These procedures were being by nature very labourintensive and therefore also really highly-priced. The browsing approach was gradual, because the range of shoppers who could possibly be attended to at a person time was constrained because of the range of clerks utilized in the shop. The notion of a selfservice food market was made by American entrepreneur Clarence Saunders and his Piggly Wiggly suppliers.