Computer services, namely, creating an on-line community for registered users to participate in discussions, get feedback from their peers, form virtual communities, and engage in social networking services in the field of learning and development, research, training, science, education and professional development; Computer services, namely, hosting an interactive web site that allows users to customize online pages featuring user-defined or specified information, personal profiles, videos and images; File sharing services, namely, providing a website featuring technology enabling users to upload and download electronic files; Providing a web site featuring technology that enables internet users to share documents, images and videos; Providing a web site that gives computer users the ability to upload and share user-generated videos, essays and articles on a wide variety of topics and subjects; Providing a website featuring a search engine for professionals in learning and development, science, training, education, research, and professional development; Providing an on-line network environment featuring technology that enables users to share data in the field of learning and development, research, training, science, education and professional development