PC is a funny word. You can ask Mac or PC (From the era when PC was short for IBM (compatible) PC (vs Apple’s PC offerings). But apparently laptop vs PC is also a distinction for some people.
Nowadays I think of a PC as a computer that isn’t a dedicated headless server. Or maybe one that isn’t a work station for your professional work?
Do federated instances keep everything forever from communities someone is subscribed to? Or do they just keep a temporary cache that they can drop after no one has accessed it in a while?
Dark roasts have a more consistent taste/flavor and it has a longer shelf life, so it’s easier to know what you’re getting. If you want to taste the variety of flavors coffee can have, you’ll go for fresher lighter roasts.