What year was a project by Ann Wolpert announced that put all of the educational materials from its undergraduate and graduate-level courses online?
Ann Wolpert: Ann J. Wolpert (October 1, 1943 - October 2, 2013) was a pioneer in digital libraries. MIT OpenCourseWare: MIT OpenCourseWare (MIT OCW) is an initiative of the Massachusetts Institute of Technology (MIT) to put all of the educational materials from its undergraduateand graduate-level courses online, freely and openly available to anyone, anywhere. MIT OpenCourseWare:  The project was announced on April 4, 2001 and uses Creative Commons Attribution-Noncommercial-Share Alike license.
2001