Andy CiddorAndy Ciddor is a technical writer, consultant, educator, and systems technician. In addition to contributing to publications around the world, he edited CTS(R) Certified Technology Specialist Exam Guide, Third Edition, and CTS-I(R) Crtified Technology Specialist-Installation Exam Guide, Second Edition.AVIXA(R) is the Audiovisual and Integrated Experience Association, producer of InfoComm trade shows around the world, co-owner of Integrated Systems Europe, and the international trade association representing the audiovisual industry. Read More Read Less