The document discusses how various services can be managed using ITIL principles of service management. It analyzes whether facilities management, restaurant management, crime investigation, and medical care can be considered services. It then examines how the full ITIL service lifecycle of service strategy, design, transition, operation, and continuous improvement can be applied to managing crime investigation as a sample service. Finally, it discusses how other services like hotels, transportation, education etc. could also apply ITIL principles since many operate like businesses. However, some cautions are noted for scenarios involving trusts, life/death situations, or emotional attachments.