The document outlines the rise of the Muslim market in various industries including hijab fashion, halal food and cosmetics, Islamic banking and hotels. It identifies four types of Indonesian Muslims - rationalist universalists, conformists, apathists, and those who prioritize Islam. It recommends marketing strategies such as offering great functional and emotional value, using an "Islam label", and focusing on price. Six principles for engaging Muslim customers are also presented: meeting their increasing religious needs; building brand persona; being inclusive and universal; creating unique value; balancing products and spirituality; and building communities.