A philosophy of information is grounded in a philosophy of doc-umentation. Nunberg’s conception of the phenomenon of information heralds a shift of attention away from the question “What is information?” toward a critical investigation of the sources and legitimation of the ques-tion itself. Analogies between Wittgenstein’s deconstruction of philosoph-ical accounts of meaning and a corresponding deconstruction of philosoph-ical accounts of information suggest that because the informativeness of a document depends on certain kinds of practices with it, and because infor-mation emerges as an effect of such practices, documentary practices are ontologically primary to information. The informativeness of documents therefore refers us to the pro...