Indeed, but I also think that such a system also depends on having a civil society and a number of other things that are provided by society as a whole: The entitlement of corporations (e.g., liability limitation), the modern money system, and a relatively prosperous consumer class providing demand for goods and services. We're living on top of a huge pile of what can only be described as technology.
Consider cell phones. The richest person in the world could not have a phone that they can carry in their pocket and make a call to another rich friend from anywhere in the world, if not for the widespread consumer demand that drove the construction of the cell phone system.
Consider cell phones. The richest person in the world could not have a phone that they can carry in their pocket and make a call to another rich friend from anywhere in the world, if not for the widespread consumer demand that drove the construction of the cell phone system.