https://tangibles-book.com/ 2026-04-29 weekly 1.0 https://tangibles-book.com/about 2026-04-29 monthly 0.8 https://tangibles-book.com/hub 2026-04-29 weekly 0.9 https://tangibles-book.com/auth/privacy 2026-04-29 yearly 0.3 https://tangibles-book.com/tools/regulatory-landscape/ 2026-04-29 monthly 0.9 https://tangibles-book.com/tools/iot-security-scorecard/ 2026-04-29 monthly 0.8 https://tangibles-book.com/tools/iot-security-requirements/ 2026-04-29 monthly 0.8 https://tangibles-book.com/tools/battery-discharge-chart/ 2026-04-29 monthly 0.7 https://tangibles-book.com/tools/societal-threats/ 2026-04-29 monthly 0.8 https://tangibles-book.com/tools/formulas/ 2026-04-30 monthly 0.8 https://tangibles-book.com/tools/formulas/formula?slug=contribution-margin 2026-04-30 monthly 0.7 https://tangibles-book.com/tools/formulas/formula?slug=profit-formula 2026-04-30 monthly 0.7 https://tangibles-book.com/tools/formulas/formula?slug=simple-interest 2026-04-30 monthly 0.7 https://tangibles-book.com/tools/formulas/formula?slug=compound-interest 2026-04-30 monthly 0.7 https://tangibles-book.com/tools/formulas/formula?slug=npv 2026-04-30 monthly 0.7 https://tangibles-book.com/tools/formulas/formula?slug=risk-premium 2026-04-30 monthly 0.7 https://tangibles-book.com/tools/formulas/formula?slug=life-time 2026-04-30 monthly 0.7 https://tangibles-book.com/previews/ch00 2026-04-29 monthly 0.8 https://tangibles-book.com/assets/images/chapters/fig00-01-software-eats-world.jpg Software eating the world — the shift that reshaped hardware product management https://tangibles-book.com/previews/ch01 2026-04-29 monthly 0.8 https://tangibles-book.com/assets/images/chapters/fig01-01-comparison-failure-rates.png Evolution of automotive cockpit design from Ford Model T to Tesla Model Y (1908–2020) https://tangibles-book.com/previews/ch02 2026-04-29 monthly 0.8 https://tangibles-book.com/assets/images/chapters/fig02-01-better-place-painful.png Better Place: a hardware validation trap — billions lost on an untested infrastructure bet https://tangibles-book.com/previews/ch03 2026-04-29 monthly 0.8 https://tangibles-book.com/assets/images/chapters/fig03-01-gadget-decline-chart.png Standalone gadget market decline chart — the smartphone convergence in data https://tangibles-book.com/previews/ch04 2026-04-29 monthly 0.8 https://tangibles-book.com/assets/images/chapters/fig04-01-hardware-competitive-pressures.jpg Hardware under competitive pressure — the new reality for connected product makers https://tangibles-book.com/previews/ch05 2026-04-29 monthly 0.8 https://tangibles-book.com/assets/images/chapters/fig05-01-led-display-module.png LED display module — a step up the hardware flexibility ladder https://tangibles-book.com/previews/ch06 2026-04-29 monthly 0.8 https://tangibles-book.com/assets/images/chapters/fig06-01-flight-data-recorder-displayed.jpg Flight Data Recorder on display — how standby products communicate value through design https://tangibles-book.com/previews/ch07 2026-04-29 monthly 0.8 https://tangibles-book.com/assets/images/chapters/fig07-01-pila-di-volta.jpg Alessandro Volta's electric pile (ca. 1800) — where miniaturization's story begins https://tangibles-book.com/previews/ch08 2026-04-29 monthly 0.8 https://tangibles-book.com/assets/images/chapters/fig08-01-eprom.png UV-erasable EPROM chip — the moment hardware gained the ability to be updated https://tangibles-book.com/previews/ch09 2026-04-29 monthly 0.8 https://tangibles-book.com/assets/images/chapters/fig09-01-eyewiz.png EyeClick EyeWiz interactive educational platform — a connected device managing data at the edge https://tangibles-book.com/previews/ch10 2026-04-29 monthly 0.8 https://tangibles-book.com/assets/images/chapters/fig10-01-segway-2006.png Segway PT — a concept that skipped market validation and paid the price https://tangibles-book.com/previews/ch11 2026-04-29 monthly 0.8 https://tangibles-book.com/assets/images/chapters/fig11-01-analytic-dashboard-showing.jpg Analytic dashboard — what data-driven hardware validation looks like in practice https://tangibles-book.com/previews/ch12 2026-04-29 monthly 0.8 https://tangibles-book.com/assets/images/chapters/fig12-01-Rabbit_r1.png Rabbit R1 AI assistant device — when hardware ships before its digital layer is ready https://tangibles-book.com/previews/ch13 2026-04-29 monthly 0.8 https://tangibles-book.com/assets/images/chapters/fig13-01-espro-i-led-ir.jpg ESPRO product — lean hardware manufacturing in practice https://tangibles-book.com/previews/ch14 2026-04-29 monthly 0.8 https://tangibles-book.com/assets/images/chapters/fig14-01-one-kernel-popcorn.png One kernel of popcorn — earning your product's right to exist https://tangibles-book.com/previews/ch15 2026-04-29 monthly 0.8 https://tangibles-book.com/assets/images/chapters/fig15-01-launch-event-presenter.png Product launch event presenter — the moment that defines a hardware brand's first impression https://tangibles-book.com/previews/ch16 2026-04-29 monthly 0.8 https://tangibles-book.com/assets/images/chapters/fig16-01-apple-ii-running-visicalc.png Apple II running VisiCalc — the original killer app that made a computer platform https://tangibles-book.com/previews/ch17 2026-04-29 monthly 0.8 https://tangibles-book.com/assets/images/chapters/fig17-01-google-trends.png Google Trends: Swatch vs Apple Watch — the moment a category rule changed https://tangibles-book.com/previews/ch18 2026-04-29 monthly 0.8 https://tangibles-book.com/assets/images/chapters/fig18-01-jeep-cherokee-hack.png Andy Greenberg's Jeep Cherokee hack demonstration for Wired — a connected product security failure https://tangibles-book.com/previews/ch19 2026-04-29 monthly 0.8 https://tangibles-book.com/assets/images/chapters/fig19-01-cyber-trust-mark.jpg Cyber Trust Mark certification — societal accountability for connected products https://tangibles-book.com/previews/ch20 2026-04-29 monthly 0.8 https://tangibles-book.com/assets/images/chapters/fig20-01-calculating-costs.jpg Calculating unit economics and costs — the foundation of hardware business model design https://tangibles-book.com/previews/ch21 2026-04-29 monthly 0.8 https://tangibles-book.com/assets/images/chapters/fig21-01-dolav-300l-waste-bin.jpg A 300-litre waste bin — business models start simpler than you think https://tangibles-book.com/previews/ch22 2026-04-29 monthly 0.8 https://tangibles-book.com/assets/images/chapters/fig22-01-elon-musk-announces-new.png Elon Musk product announcement — when hardware becomes a platform https://tangibles-book.com/previews/ch23 2026-04-29 monthly 0.8 https://tangibles-book.com/assets/images/chapters/fig23-01-irbt-february-march-25.png iRobot stock chart, February–March 2025 — a hardware company at a strategic crossroads