Team Fortress 2: First shown at E3 1999, TF2 was repeatedly delayed as Valve moved from making games on the GoldSrc engine to the Source engine. The title finally launched in October 2007 and featured many differences from the original demo, including cartoon-style graphics instead of a modern military theme.
Windows Vista: After several delays, many began to wonder if Vista was actually making its debut, and while it may have been used prematurely and partly in jest, parody software was commonly used to describe the operating system before it was released in January 2007.
Mac OS X: Wired Magazine’s “Winner”Vaporware 2000‘, OS X was announced in 1998 and faced several setbacks in the development process, leading many to doubt that it would ever arrive – finally in March 2001.
Sega Dreamcast: It may have been vaporized by the PlayStation 2, but the Sega Dreamcast was never considered useless as it was announced as the Sega Katana in 1997 and released as the Dreamcast a little over a year later (1998 in Japan, 1999). in North America).
Credit: www.techspot.com /