This document summarizes the long term success of the Kit Kat brand through consistent marketing and promotion of its core message. Kit Kat has maintained its popularity for decades through its iconic "Have a break, have a Kit Kat" slogan and advertising focusing on television commercials and posters. The launch of new Kit Kat products like Kit Kat ChunKy proved very successful, with over 50 million bars sold in the first few weeks, demonstrating the strength of maintaining a classic brand over time through minor innovations.