Furthermore, Cain contends that workplace innovation and productivity suffer when extrovert are valued more than introvert, In fact, research indicates that brainstorming in groups results in lower quality ideas, whereas there is a strong link between solitude and crea ivity. In general, open office plans reduce concentration, lo productivity, and make it difficult to retain good employees. "Our most important institutions are designed extroverts. We have a waste of talent for says Cain