抄録
Mobile operators that control mobile network constantly leaded new service introduction, which used to take long lead-time until service introduction, due to its value chain structure, starting with concept analysis, market research, service and handset specification and finally handset deployment. Recently, the scenario changed with network openness as wi-fi (wireless technology), which allows low entree barrier to the network and mobile service platform architecture as Android triggered new innovative services without mobile operator value chain constraints. This change from network service to content service created business opportunities for new entrants as web service providers, increasing network value for customers. Also market bargain power is shifting from mobile operators to content providers.
