[Cyph0n]

I think your first paragraph is an apt description of our world, starting from the early 20th century and onwards.

[supermw]

Especially the 21st century and onwards.

[Cyph0n]

I'm not only talking about technology, but also critical infrastructure and transportation, both of which had breakthroughs in the 20th century with the development of cars and planes, as well as the development of AC transmission and the electric grid.

[krapp]

Far more people are writing code now than ever, though.