Yes, obviously. And more than books and pop songs and whatnot. Also more than medicine, though it's definitely up there on the list somewhere.
And all of that is thanks to finally some groups of people pulling out their heads from their asses, stopped trying to focus on trying to loot their neighbors, and instead started to trade.
And all of that is thanks to finally some groups of people pulling out their heads from their asses, stopped trying to focus on trying to loot their neighbors, and instead started to trade.