surement laboratory accessed by Internet, in Proceedings of the XVI IMEKO World Congress 2000, Vienna, Austria. 36. F. Sandu, W. Szabo, and V. Cazacu, Automated test system with wireless access, Romanian Magazine of Virtual Instrumentation, nr. II, 2002. 37. F. Sandu, S. Lahti, S. Rantapuska, I. Tollet, J. Löytöläinen, and R. Kivelä, Remote and mobile control of multidisciplinary experimental systems, 6th IFAC Symposium on Advances in Control Education, "ACE 2003," Oulu, Finland. Service Delivery Platforms 38. E. Kayafas, F. Sandu, I. Patiniotakis, and P.N. Borza, Approaches to programming for tele-measurement, Proceedings of the XVII IMEKO World Congress 2001, Lisbon, Portugal. 39. A.C. Stanca, E. Kayafas, F. Sandu, and M. Demeter, Mobile access to real remote experiments by mini browsers based on content-to-terminal adaptation, Proceedings of the 10th International Conference on Optimization of Electrical and Electronic Equipment, "OPTIM'06", May 18-20, 2006, Brasov, Romania, in coop with: IEEE (IAS, IES, PELS), IEE, VDE, Eds.: M. Cernat, A. Nicolaide, and I. Margineanu, + CDROM, Transylvania Univ. Press, Brasov, ISBN 973-635-705-8. 40. F. Sandu, P.N. Borza, E. Kayafas, and S.A. Moraru, Labview-based remote and mobile access to real and emulated experiments in electronics, Workshop on Pervasive Technologies in e/m-Learning and Internetbased Experiments ("PTLIE"), Proceedings of "PETRA 2008," " the 1st International Conference on Pervasive Technologies Related to Assistive Environments, ACM (Association for Computer Machinery), Athens, Greece, May 15-19, 2008 (organized by the University of Texas at Arlington, USA). S. Moraru, F. Sandu, and P. Borza, (Eds), Advanced Technologies for e-Learning, 420, Ed. Lux Libris, Brasov, Romania, 2008, ISBN 978-973-131-045-9. Chapter 13 Comparative Study on the Mobile Data Service Development in the United States, China, and South Korea: Interaction among Performance, Strategies, and Policies* Jing Zhang, Tugrul U. Daim, and Byung-Chul Choi Contents 13.1 Introduction 13.2 Meth