The History of humanity has moved very quickly.
It seems worthwhile to contemplate how we got here to remind ourselves that history is linear.

Things were not always the way they are now. And things will change again. What part will we play in shaping history?

TO BE CONTEMPLATED FURTHER:

Hunter - Gatherers
Cognitive Revolution
Agriculture
Printing Press
Industrial Revolution
Corporation
Advertising
Great Depression and the New Deal
War Technology and the Atom Bomb
Chemicals and War technology were applied and marketed for domestic life
Existentialism, Deconstruction and Relativism
1960s Civil Rights, Feminism, contraception, Sexual Freedoms, Atheism, Anti-Establishment
The Culture of Narcissism
Government Corruption
Climate Change
Fairness Doctrine
World Wide Web
Citizens United

BOOKS
Sapiens: A Brief History of Humankind by Yuval Noah Harari
The Future: Six Drivers of Global Change by Al Gore