books.google.pl - The grocery business began as a complicated service industry. Random pricing, inconsistent quantities and prescriptive salesmen made grocery shopping burdensome. It took one brash Memphian with uncommon vision and unbridled ambition to change everything. Clarence Saunders worked his way out of poverty...https://books.google.pl/books/about/Clarence_Saunders_and_the_Founding_of_Pi.html?id=47x2CQAAQBAJ&utm_source=gb-gplus-shareClarence Saunders and the Founding of Piggly Wiggly