Am I tempting fate in saying this, but in terms of technology (I am talking about home tech not industrial or commercial) but I can't see what more needs inventing, sure incremental improvements to existing tech but I think we may have reached the point when there is nothing else really to invent
We kind of know where the future is heading, AI (if the hype is to be believed) new forms of energy generation, quantum computing etc, but who knows something can come from the complete left field and surprise us all, I am still waiting for my personnel flying machine and a holiday on the moon