Visy Industries is one of the world's largest privately-owned paper, packaging, and recycling companies. Founded in Melbourne in the late 1940s, it would be easy to not think of Visy as a technology company. However, its chairman and CEO Anthony Pratt told the Amazon Web Services (AWS) Sydney Summit on Wednesday that's exactly what Visy is, touting technology and artificial intelligence (AI) as playing a central role in helping the company achieve its goals. The best business leaders use tech as one of their most important levers to drive innovation and change. Here's the wisdom to make it happen.