McDonald’s, in full McDonald’s Corporation, American fast-food chain that is one of the largest in the world, known for its hamburgers, especially its Big Macs. It is one of the most successful brands in marketing history. Company headquarters are in Chicago. By focusing on advertising, franchising, and constant innovations, McDonald’s was able to develop a strategy with an effective business model. They targeted their advertisements by branding it as a fun place to go for families. Their mascot, Ronald McDonald, was also created to appeal to the younger demographics.