<jargon> /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.
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Nearby terms: vanity domain « vannevar « Vannevar Bush « vaporware » vapourware » VAR » var