ABLERS FOR CHANGE The paradigm shift needs a lot of new standards, sometimes called enablers in this book. Once you know the enabler name a lot of information can be found elsewhere, for example on the Internet. Chapter 3 contains a (non-complete) list of important enablers in Sections 3.14 and 3.15. Readers who want to go deeper than what is provided in this book can of course use the huge Internet treasure of information. Other Pedagogical Products A web-based training flow 'IP Internetworking' and publications such as the two previous books (Understanding Telecommunications, parts 1 and 2) contain significant basic mate- rial. The 'IP Internetworking' flow can be considered quite data/IP-centric, complementing the more telecentric approach of this book. The flow is accessible at www.ericsson.com/ services/globalservices/training.shtml 1.3 SUCCESS FACTORS FOR THE GROWTH OF MOBILE SERVICES At the end of the 1990s there was no need for a heading like this because of the opti- mistic telecom atmosphere. The first years of this millennium have been gloomy, and many have been looking for ways to get back on track again. There are no officially recognized success factors, but many respected persons have expressed an opinion. And such opinions have admittedly had a certain impact on this book. Below a couple of Swedish voices follow. Allan Malm and Bertil Thorngren, Sweden, both professors in business economics (from the Swedish newspaper Svenska Dagbladet, 6 February 2003): Create the market first, using the existing systems. Market the new services in a user-friendly language, based on customer benefit, not with expressions like GPRS. Create a standard for secure identification, based on the mobile device. Launch public safety services for elderly people and for the medical service. Minimize investment cost (per user) for the new radio access equipment. Östen Mäkitalo, Senior Vice President, Mobile Business, Telia Sonera, Sweden- Finland (from Networks Telecom in Stockholm, September 2002): Sufficiently attractive, 