A similar shift occurs, at a generic level, whenever business strategists move from focusing on the problem of "How do we sell more of product X7 to "What need is the customer trying to satisfy?" For, as one of the fastest growing companies in the traditionally staid construction air compressor market explained to us, it was the realization that "nobody needed an air compressor - what they needed was efficient, reliable compressed air" that allowed customers to complete their projects on time and budget. This reorientation caused them to rethink their entire portfolio of products and services and to see the possibilities inherent in offering energy efficiency monitoring and a host of other services that complemented their traditional product offerings and drove dramatic new growth.