It is said that on average, twenty percent of the U.S. population moves each year. Therefore, it is advisable for a company to continually renew the customer-base that is also the source of its referrals.

When potential customers wish to reach a business to which they have been referred, they usually look for the business' phone number and address in the yellow pages. If the business does not advertise, then the prospective customer must look for the information among the attractive and distracting advertisements of the company's competitors.