Service Design 101

Nielsen Norman Group's short introduction to service design: what it is, how it relates to UX, and the core concepts of frontstage and backstage.

Good for questions like

Global Service Jam
A volunteer-run weekend where people in cities around the world prototype new services around a shared theme. No experience needed.
Good Services: How to Design Services That Work
Fifteen principles of good service design, drawn from Lou Downe's time leading design across the UK government. Short, plain and opinionated.
Government Design Principles
Ten principles for designing government services, starting with 'start with user needs'. Short enough to read in five minutes and widely borrowed outside government.
Service Design Show
Marc Fonteijn's long-running video series and podcast of conversations with service design practitioners, aimed squarely at people doing the work.
Service Design: From Insight to Implementation
A clear account of what service design is and how it is done, from research through to measuring the results, by three practitioners from Livework.
Service Design: How to Design Integrated Service Experiences
A self-paced online course from the Interaction Design Foundation covering the fundamentals of service design.