Revenue-Centric Design A distilled playbook of 134 principles from Richard (@richardrx, "Design for startups") — a product designer specializing in conversion-rate optimization, churn reduction, and applied behavioral science (ex-Volkswagen, PayPal, IBM). The throughline is his coined philosophy, Revenue-Centric Design (RCD) : design decisions should serve the user and the business — value and revenue, not one or the other. Use this skill when helping someone improve how a digital product (especially SaaS / startup) acquires, activates, retains, monetizes, or differentiates — landing pages, o…