as well as a lot of data. both technologies use a blue laser to write information.it has a shorter wavelength so more data can be stored. disney is the latest studioto announce which technology it is backing in a format battle which mirrors the1980s betamax versus vhs war. sony lost out to jvc in that fight. the currentbattle for hollywood s hearts and minds is a crucial one because high-definitionfilms will bring in billions of revenue and the studios would prefer to use onestandard. last month paramount universal and warner brothers said they wereopting for the toshiba and nec-backed format hd-dvd high-definition discs. thosestudios currently produce about 45% of dvd content. sony pictures entertainmentandmgm studios have already staked their allegiance with the blu-ray disc associationwhose members also include technology companies dell samsung and matsushita.twentieth century fox is still to announce which technology it will be supporting.