42 Providing websites featuring open source technology that enables users to interact with online, multilingual textbooks, manuals and graphic instructional works of others on a wide variety of subjects; computer services, namely, maintaining websites for others featuring online, multilingual textbooks, manuals and graphic instructional works of others on a wide variety of subjects; providing websites featuring technology that enables users to publish books, e-books, manuals and graphic instructional works of others on a wide variety of subjects.