:INFO [valign:v_center] 100 Game-Changing Ideas Across technology, society, science, economics, and culture. :CHECKLIST [ ] The printing press [ ] The scientific method [ ] Democracy [ ] The internet [ ] Open-source software [ ] Artificial intelligence [ ] Blockchain [ ] Cryptography [ ] The steam engine [ ] Electricity grids [ ] The assembly line [ ] The transistor [ ] The microprocessor [ ] Smartphones [ ] Cloud computing [ ] GPS [ ] Public education [ ] Universal healthcare [ ] Vaccination [ ] Antibiotics [ ] Germ theory [ ] Sanitation systems [ ] Refrigeration [ ] Birth control [ ] Feminism [ ] Human rights doctrine [ ] The United Nations [ ] Carbon pricing [ ] Renewable energy [ ] Nuclear power [ ] Space exploration [ ] The satellite [ ] The telescope [ ] The microscope [ ] The theory of evolution [ ] Relativity [ ] Quantum mechanics [ ] The periodic table [ ] Double-entry bookkeeping [ ] Limited liability companies [ ] Venture capital [ ] Insurance [ ] Central banking [ ] The welfare state [ ] Microfinance [ ] The credit card [ ] E-commerce [ ] Social media [ ] Search engines [ ] Wikipedia-style knowledge sharing [ ] The postal system [ ] Container shipping [ ] Railways [ ] Aviation [ ] The combustion engine [ ] Electric vehicles [ ] The battery [ ] 3D printing [ ] Robotics [ ] The factory system [ ] Urban planning [ ] Public libraries [ ] Compulsory schooling [ ] Universities [ ] Peer review [ ] The novel [ ] Recorded music [ ] Film [ ] Television [ ] The personal computer [ ] Graphical user interfaces [ ] Touchscreens [ ] The camera [ ] Digital photography [ ] DNA sequencing [ ] CRISPR gene editing [ ] Organ transplantation [ ] Anesthesia [ ] The elevator [ ] Skyscrapers [ ] The calendar [ ] Zero as a number [ ] Algebra [ ] Calculus [ ] Probability theory [ ] Game theory [ ] Behavioral economics [ ] The social contract [ ] Separation of powers [ ] Freedom of speech [ ] Labor unions [ ] The 8-hour workday [ ] Remote work [ ] The sharing economy [ ] Crowdfunding [ ] Online learning [ ] Digital payments [ ] Encryption for privacy [ ] Decentralized autonomous organizations