So, we have all these movements. What are they moving along? They're moving along a global infrastructure. And this is a very complicated topic. We could spend several weeks just looking at this. But I'm just going to give you a summary so you become aware of the means by which this globalization is—is occurring. So, the act of creating and maintaining these links, okay, between the, this whole world, and we can talk about the internet, we can talk about shipping, we can talk about airlines. And many, many, many others. But let's just look at some of the fundamental ones. And probably at the very heart of it is the internet. That is this magical, if you will, creation of the last 20 years at most, 25 years maybe, of being able to communicate across this new medium, using the technology of the internet, using the digital revolution, in a sense, to link us. But there is still a physical component to the internet. These are the pipes, in a sense, literally pipes, that carry the various means by which that internet is connected. You can also have the infrastructure up in space of the satellites that also help to connect this world. So, there is a physical infrastructure, whether it's the pipes—undersea pipes, for example, or the satellites that make it possible for us to communicate in this new way. We have international phone calls. This is just an illustration of the international phone call network. And, again, we see the same pattern that we've seen with trade, et cetera. We've got three focal areas. We've got North America, we've got the EU, and we've got East Asia centered on China, Korea, and Japan. But you see that the world largely calls these different parts. But it also calls between these different parts. And, again, notice a pattern that you're going to see over and over again, that how much of globalization, and how much of the global infrastructure, let me just go back one second to how much of the infrastructure is really centered on what we might call the global north, north of the equator, similarly with phone calls, how there's relatively little south to south phone traffic, there's some phone traffic from the global south to the rich countries, but most of global traffic, phone traffic, is between the three wealthy areas of the world. We have shipping. And, again, this accounts for 80 to 85% of global trade. And, again, notice that it's very concentrated, global shipping is concentrated Trans Pacific and Trans Atlantic. And notice also that even this, this also is a physical construction, in that it has to go through particularly problematic areas. It has to go through these vices. And these include the Straits of Hormuz, for example, right here, the Straits of Malacca, the Panama Canal, Gibraltar, to a certain extent, the Suez Canal. So, think of globalization as relying on these roads or these pipes that are made by ships. And these ships have to travel and they have to go through long distances and maybe through some dangerous zone, which, again, brings us back to the area of governance. You also have airlines. This is a map of the airline traffic on a particular day. Again, notice what we've said before, a large part of the action is centered on what we might call the global north with these three focal points; North America, Europe, and East Asia. And the rest of the world connected, but much more isolated. And, again, this is a physical infrastructure. And we've seen with COVID what happens when you shut down this physical infrastructure. COVID, in certainly March and April, had shut down all these airlines. And one of the things that people are very concerned about going into 2021 is whether we can restart this, this air infrastructure, or have the COVID challenges been too much for either airport agencies, airport authorities, or for the airlines. And a good example of what happens if you don't have this infrastructure is from this wonderful science fiction book by one of my favorite authors, John Scalzi, and it's called The Collapsing Empire. It's actually part of a trilogy. And let me tell you just in 15 seconds what this is about. This imagines super intergalactic empires that ranges across, I believe it ranges across various galaxies. And things are transported according to something called the Flow, something which nobody really understands, but which allows ships to travel this massive distance from one point to the other. Of course, what's happened is that each planet, each planetary system has become very specialized. And they depend on the Flow for all sorts of goods. So, a planet might only produce oranges, let's say, but it will depend on the Flow of this infrastructure to get everything. Well, as you can well imagine, what happens in The Collapsing Empire is what happens when the Flow starts collapsing and nobody understands why? What happens when these highways, in a sense, that have made not globalization, but galaxization, possible, when that infrastructure collapses? So, part of globalization is also appreciating that it relies on these very physical properties, these physical characteristics that have to be preserved and maintained and could be threatened. Now, so I've told you all about this. I've told you about all this massive aggregation, about this increase in size, about this increase in speed, about this increase in trade, this increase in mobility. Why? Why are we engaging in this? And that's where we go to next.