The third masterclass of our six part series explores the ‘gray’ areas when it comes to Data collection and security. Juergen Hartung (Oppenhoff), Janek Kuberzig (Bundesverband Digitale Wirtschaft (BVDW)), and Dara Kossok-Spieß (The German Retail Federation) discuss what retailers should know when gathering customer data and how regulation may impact the future of European Retail.