price/performance ratio has usually been superseded by that time as well.

Some products become technologically obsolete due to changes in complementary products which results in the function of the first product being made unnecessary. For example, buggy whips became obsolete when people started to travel in cars rather than in horse-drawn buggies.

Functional obsolescence

Items become functionally obsolete when they can no longer adequately perform the function for which they were

1.Previous
3.Next