The document presents findings from a study conducted by the Bundesverband Digitale Wirtschaft (BVDW) evaluating the effectiveness of a cross-media advertising campaign for the 'Leibniz Choco Crunchy' product. It highlights that combining online and mobile advertising significantly enhances campaign effectiveness, with the highest conversion rates occurring in cross-media exposure. Key results show improved brand awareness, recall, and consumer willingness to purchase, affirming the value of digital channels in modern marketing strategies.