Yeah, that is why I intentionally said "practically zero" instead of actually zero, because there are some marginal costs. They are just orders of magnitude less than what they are for physical goods.
But yeah, I am just curious how that math all works out on a macro scale.
This is a good point, and there is also no finite limit which is what typically makes the supply and demand machine go brrrrrrrr.
Netflix pays some % of their monthly subscription fee for servers. The amount really doesn't matter, and they can add the entire planet as subscribers before running out of servers so the supply is infinite for all practical purposes.
But yeah, I am just curious how that math all works out on a macro scale.