To increase employees ' feelings about the here and now and to rain their self -esteem, organizations sometimes use programs that involve physical feats of strength, endurance, and cooperation. These can be implemented on wilderness trips to the woods or mountains or water. Siemens, for example, dropped 60 managers from around the world onto the shores of Lake Stamberger, south of Munich, and gave them the task of building rafts using only logs, steel drums, pontoons, and rope. Among the rules for the exercise: No talking. The objective was to teach managers the importance of knowledge sharing. Back on the job, managers could earn bonuses for containing their knowledge to ShareNet, the company's knowledge management software .