• A disruptive technology is a technology or innovation that results in worse product performance different from the expected or predicted performance; an example is that the Internet accessible mobile phone was thought to be a portable substitute for the PC-the actual applications of mobile phones are far different from this
• Describes business models, user needs, and key technologies to create long-term strategies that are profitable in both the long- and short-term

Jeff Funk is Professor of Business at Hitotsubashi University, where he is a member of the Mobile Roundtable Commitee. He is a senior advisor to the Institute for Mobile Markets Research (formed by Cingular Wireless, IBM, and Accenture). He has been a consultatnt to leading firms in the mobile internet, such as NTT DoCoMo, J-Phone, Nokia, Hutchinson Telecom, KPN, and Bouygue Telecom. He has consulted for every service provider that has implemented i-mode services in Europe, and is considered one of the leading authorites on the?mobile internet. In addition, NTT DoCoMo presented Dr. Funk with a "Model Science Award" on October 15, 2004?based on an assessment of his?overall research,?including?the?work he put into writing?this book.