Who is your customer? Who are the customers who can most benefit from the products or services you offer? What are their demographics? What are their ages, incomes, education levels, genders, occupations, and type of family formation? What are their psychographics? What are their hopes, dreams, fears, ambitions, and aspirations relative to what you sell? Especially, what are their ethnographics? How do they use your product or service? What role does it play in their lives or work? How important is it to them in comparison with other things?