[IEEE 2016 International Conference on Engineering, Technology and Innovation/IEEE lnternational Technology Management Conference (ICE/ITMC} - Trondheim, Norway (2016.6.13-2016.6.15)] 2016 International Conference on Engineering, Technology and Innovation/IEEE lnternational Technology Management Conference (ICE/ITMC) - New Ways through Service Prototyping : Optimization of Communication and Decision Making in Service Development through adoption of Prototyping