41 Educational services, namely, provision of online publications in the nature of blogs, articles, newsletters, manuals, tutorial e-books, and instructional guides in the fields of advertising and marketing; publication of educational materials, namely, articles, newsletters, white papers, and infographics in the fields of marketing and advertising of mobile applications; publication of educational materials, namely, articles, newsletters, white papers, and infographics in the fields of advertising campaign management, targeting, implementation, monetization, and optimization; publications of educational materials, namely, providing non-downloadable videos in the fields advertising and marketing of mobile applications; publications of educational materials, namely, providing non-downloadable videos in the fields of advertising campaign management, targeting, implementation, monetization, and optimization; publication of educational materials, namely, guidelines and handbooks for software developers; educational services, namely, conducting webinars and webinar series in the fields of advertising and marketing of mobile applications; educational services, namely, webinars and webinar series in the fields of advertising campaign management, targeting, implementation, monetization, and optimization; arranging and conducting educational conferences, namely, webinars and webinar series in the fields of advertising and marketing of mobile applications; arranging and conducting educational conferences, namely, webinars and webinar series in the fields of advertising campaign management, targeting, tracking, implementation, monetization, and optimization