Walmart has been utilizing big data since before the term existed, starting in the 1980s by optimizing its supply chain with data and statistics. It now collects over 2.5 petabytes of data from more than 1 million customer transactions per hour. Walmart aims to know every product and person in the world and connect them through transactions using its vast troves of customer and product data.
3. There was 5 Exabytes of
information created between
the dawn of civilization
through 2003, but that much
information is now created
every 2 days and the
Pace is
Increasing