Examines the emergence of technologies for delivering video content to consumer homes via direct digital distribution and investigates the strategic options facing video rental giant Blockbuster Inc. as it tries to respond to the new technological substitutes. Examines the impact of personal video recorders (or digital video recorders) on the market for Blockbuster's main complementary products, the VCR and DVD player, and explores how this technology might ultimately impact Blockbuster. Addresses the current and future impact of video-on-demand, the latest incarnation of the long enduring pay-per-view technology, and analyzes Blockbuster's potential and actual response to the threat. In times of technological change, firms continuously face decisions regarding the extent to which they should embrace a technologically advanced substitute at the possible expense of their existing products and services. May be used with: (9-704-404) Blockbuster Inc. & Technological Substitution (A): Achieving Dominance in the Video Rental Industry; (9-704-407) Blockbuster Inc. & Technological Substitution (B): Confronting New Digital Formats; (9-704-462) Blockbuster Inc. & Technological Substitution (C): The Internet Changes the Game.