The article discusses the experience of a large bank in implementing reusability-based strategy for development of information systems. The author explains that the design and implementation was performed in two stages. The first stage was to build a prototype to research the feasibility and attractiveness of reusability concept for the bank. The second was to evaluate its subsequent implementation using a library of reusable entities and a programmer's workbench. The author states that the implementation experience continued that applying the reusability concept to all stages of the system's life cycle results in both strategic and operational benefits. The article says that the bank saved over $1.5 million because of the library of reusable entities embedded within the programmer workbench.