question 1: define what is meant by "brand equity" and discuss what a company can do to maintain brand equity. question 2: discuss the product life cycle concept and include the relative amounts of sales and profit during each stage. question 3: how are innovations in interactive television and online services expanding the strategies and tactics marketers employ today? question 4: what are some of the personal and business-related privacy issues associated with the growth in database marketing and how should they be addressed? question 5: define direct marketing and give some real world examples.