35 Organization and conducting of trade fairs and exhibitions for commercial and advertising purposes; organization and conducting of trade fairs and exhibitions for commercial and advertising purposes on the topic of integration of information technology and networking into order transactions, manufacturing, sales and distribution processes, in particular in the field of mass customization, computer-aided prototyping, namely, rapid prototyping, computer-aided tooling, namely, rapid tooling, and computer-aided manufacturing, namely, rapid manufacturing; organization and conducting of trade fairs and exhibitions for commercial and advertising purposes for the interactive presentation of integration of information technology and networking into order transactions, manufacturing, sales and distribution processes, in particular in the field of mass customization, computer-aided prototyping, namely, rapid prototyping, computer-aided tooling, namely, rapid tooling, and computer-aided manufacturing, namely, rapid manufacturing; online business networking services, namely, arranging commercial and business contacts for the purpose of establishing and promoting business networks