Think about it:
...whereas the shortcomings of an existing thing may be expressed in terms of a need for improvement, it is really want rather than need that drives the process of technological evolution. Thus we may need air and water, but generally we do not require air conditioning or ice water in any fundamental way...
 |
| Rock ovens built 1913 during construction of the Kettle Valley railroad |
Thus:
Luxury, rather than necessity, is the mother of invention. Every artifact is somewhat wanting in its function, and this is what drives its evolution....