This document provides background information on Cadbury, including its founding in 1824 and key developments over time. It discusses the introduction of Cadbury Dairy Milk chocolate in 1905 after four years of research and development to create a milk chocolate better than imports. Cadbury Dairy Milk became Cadbury's top-selling brand and has held the position of market leader since the 1920s. The document also briefly outlines Cadbury's organizational structure and the design and development process that led to Dairy Milk.