Book Commentary 32 A traditional concept finds new relevance online. Audience Analysis in Cyberspace: Defining the Invisible Lisa Rosenberger Miami University Oxford, OH 45056 In her bookPersuasionand Privacyin Cyberspace: dynamics,yet they are difficultto visualizeabstractly. Audienceanalysisin cyberspace,however,requires such abstract visualization.While still bound by common interests and concerns, cyberspace communities are not physical entities. Members "meet" through electrical impulses, not in a conference room or at a neighborhood party. This forum allows for a higher degree of anonymity; in cyberspace, a person can mask his age, gender, and physical attributes. The same person can make statementstrue or false--about any array of subjects without worrying if his body language supports his spoken words. Clearly, cyberspace is a communication medium of loud invisibilitythat does not support traditional methods of audience analysis. So how does a technical writer perform audience analysis in cyberspace? In her book Persuasion and Privacyin Cyberspace,LauraGurak tackles this question by tracing the history of two online communities and exploring their composition and structure. Using case studies of the cyberspace protest movements against the Lotus MarketPlaceCD.ROMdirectmail marketing database and the Clipper chip encryption device, she studies several major elements of audience demography including community hierarchy, mode of communication (i.e., system
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