The discussion at the beginning of Section 8.8 mentions Claritas. If you were in the direct-mail business, how would you use the information sold by Claritas to improve your profitability? How would...

The discussion at the beginning of Section 8.8 mentions Claritas. If you were in the direct-mail business, how would you use the information sold by Claritas to improve your profitability?

How would you use cluster analysis to help test market a consumer goods product?