1. The Internet

The internet transformed communication, information access, business, and behavior, making the world fully digital with social media and e-commerce. 

2. Evolution

Darwin's theory of evolution profoundly impacted biology, anthropology, and psychology by explaining species' adaptation through natural selection, altering our thinking about life's origins and development. 

3. The Scientific Method

The Scientific Method, which relies on data and empirical evidence, has revolutionized our understanding of the natural world and produced every major piece of modern technology. 

4. The Big Bang Theory

The Big Bang theory explains the universe's origins, influences our understanding of physics and cosmology, leads to discoveries, challenges traditional views, and makes scientists reconsider assumptions. 

5. Democracy

Democracy is a political system based on free and fair elections that originated from ancient Greece and has influenced our views on government and citizenship. 

6. Psychoanalysis

Sigmund Freud, the founder of psychoanalysis, is the "godfather" of psychology whose relevant theories explain personality development and mental illness roots. 

7. Human Rights

Human rights promote change, protect vulnerable groups, counter prejudices, and benefit women. 

8. Feminism

Feminism challenges patriarchal status quo, leads to legal and social changes, and women are making progress in leadership positions. 

9. Capitalism

Capitalism has pros such as economic growth and globalization, but also cons such as income inequality, environmental issues, and ethical concerns for its long-term sustainability in modern society.  

10. Multiculturalism

Multiculturalism promotes inclusivity and appreciation of diversity, leading to a greater understanding of different cultures and backgrounds, especially in big cities.  

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