Displays the basic framework together with the history and background of communication technologies, Communication Technology Update and Fundamentals, ed-12 helps you stay ahead of this ever-changing and emerging technologies. As always, every chapter has completelyupdated to reflect the latest developments and market statistics, and now includes digital signage, cinema technology, social networking, and telepresence, in addition to dozens of technology are explored in the previous edition. Site companion book (http://commtechupdate.com) offers updated information submitted by chapter authors and offers links to other Internet resources. * Provide students and professionals THE latest information on all areas of communications technology * Companion site offers information for this text, plus links to related industry resources * New focus on global technology & other emerging technologies and coverage, as well as completely updated statistics for all technology