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Certainly , the flexibility that enables a biological intelligence to respond to an almost infinite range of situations in a reasonable if not necessarily optimal fashion is a hallmark of intelligent behavior . Imperfect detection : By accepting imperfect detection , the immune system increases the flexibility with which it can allocate resources . Back in 1979 , people were complaining that this act was unenforceable because of the untold technicalities and lack of flexibility . This shift away from wages and traditional benefits has allowed for greater flexibility in labor costs and by this means has made it easier for new firms to add labor . The crucial question we must ask now is whether , as we press ahead to be more relevant to a new strategy of littoral warfare are we building in the flexibility and do we have the headroom to engage other opportunities as they emerge ?