42 Design and development of computers and software; development (design), installation, maintenance, updating or rental of software; computer programming; computer system design; conversion of computer programs and data not physical conversion; conversion of data or documents from physical to electronic media; authentication of works of art; computer services, namely hosting of electronic installations for others for organizing and conducting interactive discussions, events and meetings via the Internet or other communication networks; hosting virtual communities enabling registered users to organize groups, events, participate in discussions, aggregate information and resources, and engage in social, business and community networking; hosting of digital content online; hosting computer software applications of others; hosting interactive websites and online non-downloadable software for uploading, downloading, posting, showing, displaying, tagging, sharing and transmitting messages, comments, multimedia content, videos, movies, films, photos, audio content, animation, pictures, images, text, information, and other user-generated content; providing a website featuring non-downloadable software in the fields of business networking and marketing, employment, recruitment, advertising, marketing and promotion; providing non-downloadable software enabling users to search for and locate other users and communicate with them via electronic communications networks for the purposes of networking, conducting polls and surveys, for tracking online references to businesses, organizations, career and job opportunities, and business issues; providing online computer databases and online searchable databases in the fields of business and professional networking; application service provider (ASP) services; providing information from searchable indices and databases of information, including text, electronic documents, databases, graphics and audio visual information, by means of global computer information networks or other communications networks; providing temporary use of non-downloadable software; computer services in the form of customized Web pages featuring personal profiles, sounds, images and information, this data being defined by the user; industrial and scientific research; computer programming services; computer services, namely personalized online information services; provision of computer software; design and development of computer software for others; creation and maintenance of Web sites providing on-line communities for marketing and advertising; hosting an online website community enabling registered users to share information, photographs, content