This document discusses OpenCourseWare (OCW), which provides open educational resources from universities online. It traces the development of the concept from universities connecting to the internet to share course materials openly licensed under Creative Commons. Over 250 universities and organizations now participate in OCW, sharing over 12,000 courses. The audience for OCW materials is large, with over 93.5 million annual visits, with the largest portions coming from North America, East Asia and Pacific, and Europe. OCW aims to provide free access to higher education resources on a global scale.