This document provides an overview of recent cyber theory. It discusses key concepts like the simulacrum, cyberspace, virtual communities, and the work of theorists like Baudrillard, Virilio, and Haraway. The document examines whether cyber theory is rewriting postmodern principles or representing a new phase of cultural existence, covering topics like the real vs. simulated, information elites, and the blurring of human/machine boundaries represented by the cyborg.