When Mum talks about Lists it is sometimes hard to know what kind of lists she is talking about. Is it a list of all the things she needs for me, or is it something to do with the business? Usually of course she is talking about her work. Apparently the money is in the list. We are on plenty of other people’s lists ourselves and Mum needs regular new customer leads. She is thinking of buying lists from a direct mail service like Martin Worldwide. This company owns the largest, most comprehensive database on the planet, called ResponseCom. This is a complex database that combines US Response and US Consumer databases. Martin Worldwide have used all their experience and years of tracking and compiling results on their campaigns to provide a superior service for anyone in teh direct response business.