The document discusses advertising and provides examples from Coca-Cola. It summarizes that advertising involves communicating to persuade people to buy products. Most companies use advertising agencies to create ads through various media like newspapers, TV, and the internet. It then discusses Coca-Cola in more detail, noting that it is one of the largest advertisers and helped shape the modern image of Santa Claus through ads starting in the 1920s. Coca-Cola continues to feature Santa in its Christmas advertisements each year.