Vaporware

thumb|280px|The U.S. Justice Department accused IBM of intentionally announcing its IBM System/360 Model 91 computer (pictured) nearly two years early to hurt sales of its competitor's computer.

novel optical disc based on holography

second generation of electric sports car from Tesla

cancelled operating system based on Windows 95

first hypertext project

operating system

Spherical digital media player.

unreleased wireless charger by Apple

smart speaker

unreleased Atari video game controller

CherryOS was a PowerPC G4 processor emulator for x86 Microsoft Windows platforms, which allowed various Apple Inc. programs to be operated on Windows XP. Announced and made available for pre-orders on October 12, 2004, it was developed by Maui X-Stream (MXS), a startup company based in Lahaina, Hawaii and a subsidiary of Paradise Television. The program encountered a number of launch difficulties its first year, including a poorly-reviewed soft launch in October 2004, wherein Wired Magazine argued that CherryOS used code grafted directly from PearPC, an older open-source emulator. Lead develop