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A policy of deliberately planning or designing a product with a limited useful life, so it will become obsolete or nonfunctional after a certain period.

The 1923 Chevrolet is cited as one of the earliest examples of annual facelifts in the car industry because it had a restyled body covering what essentially was nine-year-old technology.

A policy of deliberately planning or designing a product with a limited useful life, so it will become obsolete or nonfunctional after a certain period.

Pentalobe screws used in an iPhone 6S. Critics have argued that Apple's use of pentalobe screws in their newer devices is an attempt to prevent the owner from repairing the device themselves.

A policy of deliberately planning or designing a product with a limited useful life, so it will become obsolete or nonfunctional after a certain period.

Planned obsolescence in a Bosch immersion blender: a plastic latch (indicated by the head of a match) designed to break after a certain number of deformations, making it difficult to use the blender. All the elements shown in the photo (motor, switch, speed control microprocessor, power cord, etc.) are sold by the Bosch service as "single spare part" for a price similar to the new complete device.