Tech has been Wal-Mart’s competitive edge for decades. They had an IBM and electronic POS since 75 for inventory management. They had a company wide network in

Tech has been Wal-Mart’s competitive edge for decades. They had an IBM and electronic POS since 75 for inventory management. They had a company wide network in 77. In 87, they installed the largest satellite network at the time. Allowed two-way data (inventory and sales) and voice communication and one way video to all of their properties. They built an enterprise DW in 90 and put EDI through the internet in the mid-90s. There is a reason they could beat every other retailer on cost for decades until Amazon came around. https://www.google.com/amp/s/www.cio.com/article/2437873/45-years-of-wal-mart-history--a-technology-time-line.amp.html https://www.google.com/amp/s/www.cio.com/article/2437873/45-...