John F. McMullen is a technology columnist for the Westchester Business Journal and is a Professor of Information Systems. He is the author of over 1,200 columns, articles, and academic papers and, in previous incarnations, has been CIO of two major Wall Street firms and the principal of his own information technology consulting firm. He is the manager of the Internet discussion list, “johnmacsgroup” and he may be reached at johnmac@acm.org. His home office utilizes “Wireless Ethernet”, “Wireless Internet”, “Bluetooth”, and “VoIP” (“Voice Over IP”) technologies.