Jeffrey Sconce is Associate Professor in the Screen Cultures program at Northwestern University. He is the author of Haunted Media: Electronic Presence from Telegraphy to Television (Duke 2000) and the editor of Sleaze Artists: Cinema at the Margins of Taste, Style, and Financing (Duke 2007). His forthcoming book, The Technical Delusion: Electronics, Insanity, Power, examines historical intersections between the media and delusional ideation.