The intersection of new technologies and increased fan and business demands have spurred an explosion in concession innovation, from optical-scanner self-checkout machines to checkout-free stores. What's driving this revolution, and how do stadiums and concessionaires work together to implement all the new ideas? Listen in as we talk to Alicia Woznicki, vice president of marketing and innovation at Aramark Sports and Entertainment, about how this revolution got started, and where it's headed -- on the Stadium Tech Report podcast.