Billboard listening to cold symptoms – Remind Swedes of KLM’s full refund offering
After a successful campaign in March this year, summer trip sales went up by 70% in Sweden – KLM Royal Dutch Airlines together with creative agency partner M&C Saatchi Stockholm now follow up with a more high tech approach: The refund billboard. By detecting cold symptoms the billboard can effectively remind Swedes that for whatever reason, may it be a […]