Historian Quotes and aphorisms about product Will Durant C. Northcote Parkinson Daniel J. Boorstin Daniel J. Boorstin Arnold J. Toynbee Arnold J. Toynbee John Dalberg-Acton Samuel E. Morison James Henry Breasted Yuval Noah Harari ,, There is a saying that if you get something for free, you should know that you're the product. It w...