Web Behind Walls
"[T]he underlying architecture of the new cable broadband networks, offered through sophisticated set-top boxes under the guise of "interactive television," will permit network owners to favor their own online fare over that of their competitors. Menus, on-screen icons and the local caching of featured content (to speed its delivery) will all come into play, as the once-level online playing field is tilted sharply toward the network owner's interests."