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Digital media have been defined as meta-media that integrate new as well as old media on a single technological platform. As such, digital media enable new forms of meta-commu - nication about the conditions under which communication is accomplished. The resulting meta-data bear witness to who was present, when, where and doing what, and these meta- data remain present for system administrators, regulators, marketers and other third parties to reinterpret and recycle. This article outlines the importance of meta-communication for contemporary communication theory, examines mediated presence as an instance of meta- communication, and addresses the implications of digitally mediated presence for current issues of surveillance.
