41 Publication of educational materials, namely, publishing of articles, manuals, and journals all in the field of software development relating to building user interfaces for use in the retail and e-commerce industry; online publication of educational blogs in the field of software development relating to building user interfaces for use in the retail and e-commerce industry providing on-line tutorial videos for software developers in the field of building user interfaces for use in the retail and e-commerce industry, not downloadable; providing online non-downloadable electronic publications in the nature of articles, tutorial e-books, guides, and manuals all in the field of software development relating to building user interfaces for use in the retail and e-commerce industry; educational services, namely, organizing and conducting of conferences, courses, and seminars all in the field of software development relating to building user interfaces for use in the retail and e-commerce industry.