by smaller companies such as Thunderbird and Niles. The emergence of home video and the increasing available of cable television dramatically decreased the market for Super 8 films in America in the early 1980's which led to a quick fadeout in availability, although the format remained quite popular in England into the early years of the 21st century with Derann films releasing full-length versions of many Disney films and vintage Hollywood musicals. In-flight movies Starting in 1971 in-flight movies (previously 16 mm) were shown in Super 8 format until video distribution became the norm, until they were replaced by Video8 and later on, digital video. The films were printed with an optical sound track (amateur films use magnetic sound), and spooled into proprietary cassettes that often held an entire two-hour movie. Popularity Super 8 was most widely used for filming home movies. Some lower-budget television stations used Super 8 to film news stories. Today amateur usage of Super 8 has been replaced by digital, but the format is still regularly used by artists and students. Some seek to imitate the look of old home movies, or create a stylishly grainy look. Others want to create alternative looks for flashback sequences and altered states of consciousness. Some just like the idea of creating images in the classic style of using actual film. Super 8 is a relatively inexpensive film, making it popular among filmmakers working on a low budget who still want to achieve the classic look of real film. Super 8 has become quite common in theatrical features. Oliver Stone, for example, has used it in films such as JFK, where his director of photography Robert Richardson employed it to evoke a period or to give a different look to scenes. The PBS series Globe Trekker uses approximately five minutes of Super 8 footage per episode. In the UK, broadcasters such as the BBC still occasionally make use of Super 8 in both drama and documentary contexts, usually for creative effect. A recent example of particular note is the 2005 BBC2 documentary series Define Normal, which was shot largely on Super 8, with only interviews and special timelapse photography utilising more conventional digital formats. Thanks to over a dozen film stocks, the ease of function and finding a camera, and the ability to do high quality digital scanning to standard motion picture digital formats like 2K and 4K, DPX or