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Technical obsolescence usually occurs when a new product or technology supersedes the old one, and it is preferred to use the new technology instead. Historical examples of new technologies superseding old ones include bronze replacing flint in hand-tools, DVDs replacing videocassettes, and the telephone replacing the telegraph. On a smaller ...
One example of a developer cancelling an instance of planned obsolescence occurred in 2008, when Microsoft retracted intentions of an Office service package dropping support for a number of older file formats, due to the intensity of public outcry. [16] Systemic obsolescence in software can be exemplified by the history of the word processor ...
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In economics and industrial design, planned obsolescence (also called built-in obsolescence or premature obsolescence) is the concept of policies planning or designing a product with an artificially limited useful life or a purposely frail design, so that it becomes obsolete after a certain predetermined period of time upon which it ...
In 2011, MS-DOS was still used in some enterprises to run legacy applications, such as this US Navy food service management system. In computing, a legacy system is an old method, technology, computer system, or application program, "of, relating to, or being a previous or outdated computer system", [1] yet still in use. Often referencing a ...
Service life is not to be confused with shelf life, which deals with storage time, or with technical life, which is the maximum period during which it can physically function. [3] Service life also differs from predicted life, in terms of mean time before failure (MTBF) or maintenance-free operating period (MFOP).
Prince was built 1863 and operated 1864–1936, 1955–1968, 1980-present, a product life of over 150 years, a service life of around 125 years. Product lifetime or product lifespan is the time interval from when a product is sold to when it is discarded. [1]
In the history of science, forms of words are often coined to describe newly observed phenomena. Sometimes the words chosen reflect assumptions about the phenomenon which later turn out to be erroneous. In most cases, the original forms of words then become archaic and fall into disuse, with notable exceptions. This list documents such archaisms.