Where the young generation in a family adopts and purchases new technology product at a fast rate, and old versions (that are in working order but are not up to current standards) of that technology product are given to the parents or older generations of family.

Commonly occurs multiple times on commodity technology gadgets, leaving your parents with many gadgets to play with.

Called 'hand me up' in contrast to 'hand me down'.
> Computers: having purchased a new computer to replace my 'slow' computer, I have given it to my grandpa to use. Thus the computer is a 'hand me up'.