V I ComputerGuy Specializes in Database Management. Your present customers are your best resource. Regularly mailing to your database keeps your business in the minds of your clientele. You can also use your current database to find new customers. V I ComputerGuy has been in the direct target marketing, mailing lists and database management business for over 7 years. We work in partnership with Willow Haynes Publishing Company, database and list compilers since 1974.