Information on education; Organization of seminars; Production of radio and television programmes; Providing on-line publications in the nature of e-books in the field of education; Providing on-line videos featuring music and mathematics instruction, not downloadable; Providing online non-downloadable e-books in the field of entertainment; Virtual reality game services provided on-line from a computer network; Lending library services; Providing on-line music, not downloadable; Publication of books