To learn more about the innovation stack and how entrepreneurs can create an unbeatable company, Ray Wang, CEO and founder of Silicon Valley-based Constellation Research, and I invited McKelvey to join us on our weekly video podcast DisrupTV. Here are eight takeaways of our conversation with Jim McKelvey on how to build an unbeatable company using the innovation stack.  Our conversation with Jim McKelvey, co-founder of Square and author of The Innovation Stack was incredible. I highly encourage you to watch the entire 20-minute video. The Innovation Stack will also make my top 10 business books of 2020.