OER Knowledge CloudJournal Article2010Tiedau, Ulrichweb 2.0UKOEROpen Educational ResourcesK-12higher educationeducationbest practicesUnited KingdomengTILT2010: Education for Global Citizenship1–10OER Commons is the first comprehensive open learning network where teachers and professors (from pre-K to graduate school) can access their colleagues course materials, share their own, and collaborate on affecting todays classrooms. It uses Web 2.0 features (tags, ratings, comments, reviews, and social networking) to create an online experience that engages educators in sharing their best teaching and learning practices.http://discovery.ucl.ac.uk/20096/http://discovery.ucl.ac.uk/20096/London, United Kingdom, Europe