Some companies are broadening their markets by updating classic products to appeal to younger people's tastes and preferences. For example, Wrigley's has introduced two new Juicy Fruit flavors that it hopes will duplicate the success of Altoids and Mountain Dew in becoming revitalized and popular brands. What primary and secondary market information would you want to have if you were planning to reinvigorate an established brand in each of the following categories? Where and how would you obtain the information?
a. household cleaner
b. moist packaged cat food
c. spray starch
d. electrical appliances