Social Media Heineken uses QR codes to build community The Dutch brewery gave festival attendees in Poland a way to connect by printing QR codes they could put on their bodies. By Matt WilsonJan. 23, 2012 SHARE To read the full story, log in. Become a Ragan Insider member to read this article and all other archived content. Sign up today Already a member? Log in here. Learn more about Ragan Insider.