 one universal radio is very compelling. It is therefore likely that the future holds a combination of both WLAN and WWAN technologies as the preferred solution for most enterprise users. The following sections describe some of the key emerging applications in wireless telecommunications: the handset revolution, Mobile IP, the IP Multimedia Subsystem (IMS), mobile gaming, mobile video, mobile TV, and mobile content. The Handset Revolution There is little question that mobile handsets have progressed far beyond being sim- ple voice communications devices, and the advances are continuing at a bewilder- ing pace. Many of us grew up awed by the unbelievable gadgets James Bond had at his disposal. Those are no longer the product of Hollywood fantasy; in the near future, many such gadgets will be readily available from your local shop for just a few dollars. Tomorrow's mobile services and devices may sound like the stuff of dreams, but what we can only imagine is in fact already on the drawing boards. As mentioned in Chapter 14, "Wireless WANs," Japanese carrier NTT DoCoMo has produced a wonderful video, "Vision 2010," that illustrates what you can expect to experience in the near term and that will help you appreciate just how major the developments are (www.docomo-usa.com/vision2010/) From a business standpoint, the mobile handsets industry is enormous-and continuing to grow. Some 2 million devices are sold per day, resulting in a global device market worth more than US$100 billion. Needless to say, the handset and application trends we are about to discuss have a major impact on all the players in the mobile and wireless industry, signaling the emergence of new business models. The fact that 3G networks have finally taken off in Europe and North America, following the lead taken by Japan and South Korea, has caused the mobile market to develop substantially since 2005. The migration to 3G signals dramatic changes in the industry value chain, with the mobile handset community increasingly shift- ing its focus to data