The Kansas City standard (KCS), or Byte standard, is a digital data format for audio cassette drives. Byte magazine sponsored a symposium in November 1975 in Kansas City, Missouri to develop a standard for storage of digital microcomputer data on inexpensive consumer quality cassettes, at a time when floppy disk drives cost over $1000 USD each. Although the standard had existed from the earliest days of the microcomputer revolution, very few systems are said to have used it as their standard.