This report examines the potential impact of optical media--videodiscs, compact audio discs, and optical disks, tapes, and cards--in library related applications. A detailed consideration of the technology includes discussion of the underlying principles, the various forms in which the technology is marketed, production methods and costs, and the…

Describes some of the problems in documentation work rising from the habit of detaching information from any physical support, as a prevailing notion in an electronic environment. Points to the necessity of regarding information as something closely connected with preservation. Suggests a clearer distinction in information science between…