Professor Christoph Teller was invited to give a talk at the prestigious MMM-Tagung (Moderne Markt-Methoden-Conference) on June 16th 2020. This annual event is laid out by Dr. Georg Wailand who is the editor of the biggest Austrian industry journal "Gewinn". Over the decades, the MMM-Tagung has evolved to an exclusive discussion platform where experts share insights into major trends in the field of retailing and exchange ideas with a handpicked audience of leading managers and entrepreneurs. The topic of the presentation is: "Showroom, vending machine or warehouse? Urban retailing in the digital era.