Vaporware is hardware or software that has been announced, but has missed its release date by a significant amount of time. It includes both products that are eventually released and products that are never released at all.

Vaporware is typically produced when a company is over-aggressive in announcing a product release date. Since technology is a competitive field, one business can sometimes gain an advantage over another by announcing their product will be available first. However, unforeseen delays can push back the release date significantly, leading both bloggers and news publishers alike to dub the product as "vaporware."

There is no official length of delay that makes a product vaporware, but the term often surfaces after a delay of three months or more. It also is commonly used after a company postpones the release date for the second time. While vaporware can sometimes work in a company's favor by generating extra buzz, it typically diminishes the product hype, especially after a long delay. When a company has multiple products turn into vaporware, it can tarnish the corporate image and negatively affects the company's credibility with consumers. Therefore, most businesses make a strong effort to release their products on time.

An example of a recent vaporware product is the white iPhone 4, which was announced in early June of 2010, but has been delayed several times since then.

Updated October 29, 2010 by Per C.

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