42 Evaluations, assessments and research carried out by engineers in the fields of science and technology, namely, materials testing and evaluation, testing, analysis and evaluation of computer hardware and software to assure compliance with industry standards; design and development of computer hardware and software; research and development for others, namely, product research and development, Research and development of computer software, Research development, design and upgrading of computer software; technical project studies, namely, conducting of feasibility studies; development, design, installation, maintenance, updating or rental of software; computer programming; consultancy in the field of computer hardware, namely, technological consultation in the technology field of computer hardware systems, computer consultation; data conversion of computer programs and data, not physical conversion; conversion of data or documents from physical to electronic media; computer services, namely, hosting of electronic installations for others for organizing and hosting interactive discussions, events and meetings via the Internet or other communication networks, namely, hosting on-line web facilities for others for conducting interactive discussions, sharing on-line content, hosting an interactive web site that allows interactive discussions, events and meetings to be held via the Internet or other communication network; Web hosting services for making non-downloadable software available in connection with commercial networking and commercialization, advertising, marketing and promotion, namely, hosting of software for others for use by others in database management and hosting of software for others for use by others in updating, editing, organizing and analyzing data used in marketing, advertising and promotional campaigns; hosting of non-downloadable software of others that enables users to look for and locate other users and to communicate with the latter via electronic communication networks, for networking purposes, for carrying out polling surveys and investigations as well as for commercial purposes; hosting of computer databases on line and of databases which can be consulted on line in the field of commercial networking, namely, acting as an application service provider in the field of knowledge management to host computer application software for creating searchable databases of information and data; computer services in the form of customized Web pages featuring personal profiles, with data defined by the user, namely, providing a website that gives users the ability to create customized web pages featuring user-defined information and profiles; creation and maintenance of Web sites for other that feature on-line communities for marketing and advertising purposes; computer security services, namely, design and development of secure computer hardware and software systems for others