Long things short, collect and keep older computers and other hardware. More on this here.
If you're a native English speaker, please consider helping us to make our texts better.
If you run a web site, consider reimplementing it so it transmits no scripts to steal and waste the visitor's CPU cycles. Sometimes Thalassa CMS may serve as a good starting point.
If you're a computer programmer and our taboo list doesn't discourage you, take a look at our projects.