People often confuse the purpose and role of functional specifications and design documents. Design and function should never meet in a document. Design and function must be documented during the ...

A recent Aberdeen Group study showed that best-in-class manufacturers — those that get products to market faster with the lowest change costs — build about half the number of physical prototypes than ...

Do you need a design or functional specification? It depends on who your audience is and where you are in the product development cycle. People often confuse the purpose and role of functional ...