“…The evolution of local languages and coding schemes helps the unit deal with its local information processing requirements; yet, it also hinders the unit's effective acquisition and interpretation of information from external areas. External information is vital, however, both in terms of feedback (Ashby,I960) and for evaluating and acting on the unit's environment (Arrow, 1978;Utterback, 1974 (Schwartz and Jacobson, 1977), between R&D laboratories and external areas (Whitley and Frost, 1973), between knowledge generators and knoweldge users (Sundquist, 1978;Crane, 1972), between different components of school systems (Baldridge and Burnham, 1975), and between early and late adopters of innovation (Rodgers and Shoemaker, 1971;Coleman, Katz and Menzel, 1966), have all been shown to occur in a two-step process.…”