See Table 1 for a view of the interaction between the definition of quality and the product lifecycle. It means that the promised features must be in the product and must be working. Introduction Enthusiasts or technology nuts buy initial products. These people like the thrill of playing with new technology. Early Adopter Visionaries have a specific problem and their pain can be fixed by this product.
Visionaries willingly accept workarounds for defects or incomplete functionality.
Mainstream Mainstream users are pragmatists. The Conservative users wait for products to live up to their advertised reputations. They want the features working as you have promised, but additional features are not high on their list. These people want software producers to guarantee there will significantly fewer defects than in previous software releases. Today, however, it is no longer adequate to define quality based on defect levels.