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There are several types of obsolescence:

  • economic obsolescence which is linked to the quality/price ratio of the product, the reduction in its price or the cost of repairs;
  • planned obsolescence, which is a stratagem planned by manufacturers from the design of the product to reduce its lifespan;
  • psychological or aesthetic obsolescence which is linked to the image and changes in consumer needs. This perception is notably influenced by advertising;
  • functional and technological obsolescence which is linked to improvements in product characteristics. For example, software obsolescence - which is related to the unavailability or malfunction of software - is a form of technological obsolescence.