The term 'Advertising Staple' can be summarized as a taste test, which is a nine-letter word. Taste tests are a common form of market research used by companies to gauge consumer preferences for their products. Companies use taste tests to determine which products people prefer and to identify potential areas of improvement. Taste tests are also used to measure the effectiveness of advertising campaigns. They are often conducted in focus groups or with individual consumers. Taste tests are an important part of the marketing process and are a staple of the advertising industry.