How you can use one GREAT product to grow and drive your company

A guy that came into our offices got chatting and he said that he made his company successful this way: He had his company up and running then he got one great product in that no one else could get and was wanted by all the customers so his marketing activities on this one product lead the customers to his company and he built a brand name through this. Then these customers started buying all the other standard products from him and the other sales rode on the coat tails of the one successful product. This single product differentiation led to his success