The move to open-source materials is well under way in higher education—and may be accelerated by President Obama's proposal to invest in creating free online courses as part of his push to improve community colleges. Around the world, hundreds of universities, including MIT and King Fahd University of Petroleum and Minerals in Saudi Arabia, now use and share open-source courses. Connexions, a Rice University nonprofit organization devoted to open-source learning, submitted an algebra (代数) text to California