1. A study led by researchers at the University of Passau on product upgrades and customer betrayal perceptions won the SERVSIG Best Service Article Award 2024. 2. The study, titled 'You want to sell this to me twice!? How perceptions of betrayal may undermine internal product upgrades,' examines how perceived betrayal affects customer acceptance of product upgrades. 3. The research team, including Dr. Janina Garbas and Prof. Dr. Jan Schumann, emphasized that research is always a team effort.