41 Educational services, namely, conducting classes in the field of computer software and distribution of course materials therewith; educational services, namely, training others in the use, maintenance, updating, configuration, installation, support, and programming of computer software; educational services, namely, providing on-line and traditional, face-to-face, classes, seminars, workshops, tutorials, talks, keynotes, lectures, courses, and presentations on the design, programming, debugging and maintenance of software for embedded computer systems; educational services, namely, providing on-line and traditional, face-to-face, classes, seminars, workshops, tutorials, talks, keynotes, lectures, courses, and presentations in the field of design, programming, debugging and maintenance of software for mobile phones and tablets; computer education training services, namely conducting classes of instruction for developers and users of operating system software in the field of computer programming