John Jantsch, in Duct Tape Marketing, recommends that you start by profiling your ideal customer. Focus for a while on one person, whether he or she is your customer directly or the decision-maker for a business customer. Give that person age, gender, income level, likes, dislikes, favorite movies, songs, magazines, restaurants. Know that person.
If you’ve been in business, you can think of that customer fairly easily. Maybe it’s a composite of several real customers.
What you want at this point is to be able to tell a story about this customer and his or her needs and wants and how your business addresses them.