Writing of articles for journals other than for advertising or publicity; Writing of articles for periodicals other than for advertising or publicity; Writing of articles for professional journals other than for advertising or publicity; Editing of books; Editing of e-books; Editing of electronic books; Poem and lyric writing; Publication of books; Publication of audio books; Publication of text books; Publication of texts, books, journals; Publishing of books, e-books, audio books, music and...

Entertainment services, namely, providing on-line computer games