41 Educational services, namely, organizing and conducting symposiums, seminars, webinars, conferences, technology exhibitions, courses, and classes both in person and online, in the fields of optics and photonics; providing an on-line digital library featuring conference proceedings and journals in the field of optics and photonics; publications, namely, non-downloadable electronic publications in the nature of books, articles, journals, and white papers being written reports and presentations in the nature of non-downloadable articles featuring visual and audio recordings, all in the fields of optics and photonics