4. For the same product you selected in item 3, what stage in the adoption process do you believe that product currently occupies with most consumers? What leads you to this conclusion? Why is knowledge of the adop- tion process important in marketing planning? Go to the Procter & Gamble Web site (www.pg.com) and click on "Products" at the top of the page. Next, find and click on "Oral Care" and then click on "Crest." Look over the information about Crest products, then answer these questions that Procter & Gamble must answer when doing marketing planning for the Crest product line: