/vay' pr-weir/ (UK "vapourware") ProductS announced far in advance of any releaSe (which may or may not actually take place). The term came from Atari uSerS and waS later applied by Infoworld to MicroSoft' S continuouS lying about MicroSoft WindowS. See alSo brochureware. [Jargon File] (2004-11-16)