> As someone in his 20s I can't imagine what I'll see in the next 80 years!

All of these rapid technological advancements are a function of tremendous increases in energy available .

We passed peak conventional oil years ago and only see proven reserves increase because we redefined 'shale oil' as included under proven reserves. But shale oil has much lower EROEI than traditional oil. We can already see geopolitics heating up before our eyes to capture and control what remains, but to continue to advance society we need more energy.

On top of this we are just now starting to feel the impacts of the effects of the byproducts of this energy usage: climate change. What we are experiencing now is only a slight hint of what is to come in recent years.

In the next 80 years we'll very likely see an incredible decline in technology as certain complex systems no longer have adequate energy to maintain. The climate will continue to worsen and in more extreme ways, while geopolitics melts down in a struggle for the last bits of oil and fossil fuels (interestingly these combine in the fight for Greenland because a soon-to-be ice free arctic holds lots of oil, not enough to advance civilization the way it has been going, but enough to keep yours running if you can keep everyone else away).

I sincerely suspect within the next 80 years we will see the full collapse of industrial civilization and very possibly the near or complete extinction of the human race. You can see the early stages of this beginning to unfold right now.