A history of user‑centric design that reveals how hidden rules shape our world

User Friendly explores the hidden rules of design that shape the modern world. Co‑authors Cliff Kuang and Robert Fabricant trace a century of user‑centric thinking—from early industrial tools to digital interfaces—showing how design decisions affect safety, behavior, and culture. Packed with vivid anecdotes and critical analysis, the book offers a compelling narrative for designers, historians, and anyone curious about why the things we use work the way they do.