I stumbled into an idle moment and used it to ponder digital literacy. I'll summarise the Wikipedia link's summary as the abilities to:
I know my summary is not perfect, but neither is the original. I think mine's more precise. I mean, "don't be an asshole". That's pretty damn clear, right?
Anyway, I think we should add one more. Admittedly, it's a high-hanging fruit, but I think it's increasingly important: