Walmart revolutionised retail by adopting barcode technology early, streamlining inventory management and checkout processes. This innovation significantly improved efficiency and accuracy in stock control. Additionally, Walmart's Project Gigaton, aims to reduce one billion metric tons of greenhouse gas emissions from its global supply chain by 2030, engaging suppliers in climate action. Walmart's annual revenues exceed the GDP of many countries, underscoring its significant economic impact. -- Make sure you check out the latest news at Food Digital, a BizClik brand.