Cyreen was founded in 2017 and is a German start-up specializing in the development of novel, highly effective retail media technologies for brick-and-mortar retailers and FMCG advertisers. We connect various data streams such as shopper-, media- and purchase data to generate impactful and data-driven insights. Thereby, we shed light on stationary stores with ad-impact, retail and customer behavior analytics to fuel profitability of retailers and ultimately, gain e better customer understandig in a fully GDPR-compliant way. C.A.P. (Connecting Ad-Impressions with Purchase) is our product: a data-based retail medium with integrated advertising impact technology. Intelligent screens seduce shoppers in supermarkets with the right ad at the right time. The technology esablishes a new retail media standard as it provides proof that previous USPs of online media can be transferred in a simple, effective and efficient way for the offline advertising market. Based on our data-driven approach, offline campaigns become precisely measurable. The measurement methodology developed for C.A.P. and its data and consumer protection concept were also considered as groundbreaking by various industry experts - and has received both funding and an award from the EU Commission in 2021.