The complexity of our current civilization. It is truly inconceivable. Let's take a widely-used, complex software package, such as MS Windows - it alone is inco

The complexity of our current civilization. It is truly inconceivable. Let's take a widely-used, complex software package, such as MS Windows - it alone is inconceivably complex, and, on the grand scale of civilization, it's just a speck of dust. Also, our ability to keep this inconceviably complex system in a relatively stable state (for now...) is also mind blowing.