Mobile telecommunication is one of the most dynamic industries today and promises opportunities for growth. This is caused by a number of major trends, including progressive individualisation among the younger generation and a growing harmonisation of private and professional life in the business market. Today wireless technology reaches one fifth of the world's population. Since the mobile communication market is highly saturated, revenue increases can not be achieved by addition of new customers easily. Thus Telecommunication companies along with business analysts and scientists are looking for new services which will bring added value to the customers and increase their willingness to pay for these new applications. The primary question is: Is there a killer application for UMTS?