If you've been a consistent PC user for long enough, odds are good that you've got a few old towers lying around in your closet or basement. Traditional logic dictates that when you have old ...
As time passes and you accrue more belongings, tech in particular, you may end up with a lot of unused old gear. You could trash it or recycle it the old-fashioned way, or you could repurpose it.
It's inevitable that, at some point, you'll have to replace old computer parts and swap them out for new ones. This might be a result of a particular component breaking or because you want to upgrade ...