@ziggy, I see the. . .intense. . .side of it as being rather jokey.
But the realistic side that I could be sympathetic towards? I see that aspect of the topic to be no different than taking antibiotics to make you better when youre sick. . .getting a hip-replacement surgery. . .getting a nose job. . . tanning. . .using moisturizer. . .wearing clothes. . .any of that.
Just enhancing what you physically are to attain some desired benefit. It could be getting better instead of being sick thanks to antibiotics, or it could be getting a better ass thanks to cosmetic surgery. As we progress you may be getting better because of some super tiny machines that floats around in your blood, and making your ass look better by altering the way your cells regenerate or completely replacing them by a more appealing substance.
So you get the crazy aspect to it. . .that people talk about like we are all going to be Terminator-type humanoid robots. . .and you also get the less ridiculous moving forward and addressing needs and desires in more sophisticated ways that can look kind of insane now because of the exponential growth pattern that is present where we expect, and have been taught, that there should be a linear one.
Kind of like when you watch spy movies where theres all kinds of gadgets that dont exist at the time, or Star Trek, whatever. . .science fiction. . .and you see -cool- stuff like secret phones in every-day objects and weird stuff that does stuff we dont have now. . .like the ability to just -beam- people to wherever we want them to go and have them show up there. Some of those crazy gadgets that we dont, or didnt, have at the time are totally practical to try and actually make because they would actually be a good idea. . . .where as others are just purely fantasy and would be pointless other than looking cool in the real world. I think a lot of the ideas people have about the future and merging with technology are of the crazy weird impractical type, and then some people actually can conceive of things that make sense.
Kind of like, watching the Jetsons now. . .almost all of it seems completely dumb. It looks like the fifties not like the future. If someone told you we were headed towards the Jetsons being reality it would be kind of weird and laughable. . . .but if someone told you that you could have a -robot- that popped out eggs, bacon, and toast all at the press of a button for you then you might already know that such a thing exists and isnt that nuts actually.
Thats what I think. Theres crazy, and theres logical.
I think we would likely go more natural, rather than machine improvements, we would grow replacement parts. As @mjayne, said, nanobots floating around in our bloodstream would repare damaged tissue and maybe augment muscular strength and resilience. Perhaps even increase neural responses so our reactions improve, be able to fight off illness, manage pain, keep your fat % at optimal, etc. Nanos have the potential to make us much better than as we are, all without bionic transplants.
I’d say that would be the common thing in future, but I am sure there will be people who would benefit from certain machine replacements due to their careers. eg: Brain to computer links Matrix style and police and bodyguards who have bionic implants to improve speed, strength, sight and hearing, etc.