S‑CURVES a field guide to technology adoption · 1825–2026
Summary
S‑CURVES is a field guide tracing two centuries of technology adoption curves from 1825 to 2026. It compiles data sources from Our World in Data, US Census, Pew, and primary financial-press archives, with quotes vetted against Quote Investigator & Snopes; last fact pass in June 2026. The work presents adoption curves as a recurring shape across technologies, offering a data-informed historical perspective for readers interested in technology trends.