All text, audio and video communication transformed into digital form. Files are huge. Jurassic Park contains 100 billion bytes. On-demand for thousands of subscribers. Not yet available.
Translation is difficult.
Cable system over coaxial cable is also analog. Optical fiber is digital. Each optical fiber can carry 250,000 times as much information as one copper wire. Digitized Encyclopedia Britannica in one second. For information highway to work, all would have to be converted to digital form, such as fiber optics.