Originally Posted by Mara
(Digital VideoDisc or Digital Versatile Disc) An optical digital disc for storing movies and data. Introduced in the U.S. in 1997, and developed by both the computer and movie industries, the disc uses the same diameter platter as a CD (120mm/4.75" diameter), but holds 4.7GB [wich 4.7 Gb its wrong, in other words the true DVD capacity its 4.3 gb] rather than 700MB. Whereas CDs use only one side, DVDs can be recorded on both sides as well as in dual layers. DVD drives/players read most CD media as well.
good stuff until blue ray got to stores.