Blue Book (CD standard) file system may also be included for compatibility with Mac OS computers. The mandatory files and directories include an autorun.inf file compatible with the Windows 95 AutoRun feature; a CDPLUS and a PICTURES directories; and an optional DATA directory. The term "enhanced CD" is also an umbrella term and a certification mark used to refer to different CD formats that support audio and data content, including mixed mode CDs, CD-i and CD-i Ready. Blue Book (CD standard) The Blue Book is a compact disc standard developed in 1995 by Philips and Sony. It defines the Enhanced Music CD format (E-CD,
Philips CD-i popular TV game shows for the CD-i, including versions of "Jeopardy!" (hosted by Alex Trebek), "Name That Tune" (hosted by Bob Goen), and two versions of "The Joker's Wild" (one for adults hosted by Wink Martindale and one for kids hosted by Marc Summers). All CD-i games in North America (with the exception of "Name That Tune") had Charlie O'Donnell as announcer. The Netherlands also released its version of "Lingo" on the CD-i in 1994. In 1993, American musician Todd Rundgren created the first music-only fully interactive CD, "No World Order", for the CD-i. This application allows the user to