I suspect that it is easy to fixate on fantasies of massive technological leaps forward, because the truly revolutionary changes that underpin our lives are like air: so common that we overlook them all the time. If you were to sit down with a person from, say, 1750, and wanted to explain the modern world, you would probably tell them about things like antibiotics, cars and planes, snapchat, that sort of thing. All t…
You did not name any specific antibiotic products, or car manufacturers, because those are not really that significant.
The underlying inventions though are the real technological leaps forward that, as you say, are like air: so common that we overlook them all the time.
Snapchat is just a product, I think the real invention that you overlooked is the internet.