Computer services, namely, creating an on-line community for registered users to book, attend, and participate in professional educational, instructional, certification, and training classes, conferences, expositions, webinars, workshops, seminars, and symposiums, engage in peer to peer learning, engage in professional and social networking, engage with professional educational service providers, form virtual communities, participate in discussions, showcase, sell, and purchase users' products and services, solicit advice and training; Providing an interactive website featuring technology that allows users to access. advertise, bookmark, collect, create, develop, deliver, download, endorse, exchange, manage, publish, sell, share, showcase, sponsor, purchase, review, upload, and view professional educational, instructional, certification, and training data, guides, lessons, material, presentations, and other related information; Providing temporary use of on-line non-downloadable software and applications for users to access. advertise, bookmark, collect, create, develop, deliver, download, endorse, exchange, manage, publish, sell, share, showcase, sponsor, purchase, review, upload, and view professional educational, instructional, certification, and training data, guides, lessons, material, presentations, and other related information