actually literally takes on that meaning and we can easily predict what's going to happen next. What I mean by this is it sort of works in the same way as money works, right? There's no inherent ... Nothing that's ever served as currency in human cultures does so by virtue of its physical nature alone. What happens is a group of humans impose a meaning on pieces of paper, or little rocks, or salt, or barley, or big rocks in the ocean that can't be moved, or mortgages, or any number of things and all of a sudden, those things literally take on value.