In my opinion, with rare exceptions, trying to predict what will or will not change more 50 years out likely is a waste of time. For example, say you wanted to

In my opinion, with rare exceptions, trying to predict what will or will not change more 50 years out likely is a waste of time. For example, say you wanted to backup data for 1000 years, then it makes sense to think through the logistics. Climate change is also another good example. To me though, wondering if “cars” will still be around feels like a waste of time. As for not dying, not aware of any meaningful progress that would be of note; feel free to give a more detailed reasoning for why the future of death is increasingly uncertain.