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Images are an important form of knowledge that allow us to develop understandings about our world. Flickr is the world's most used and most popular public repository of photographs and currently hosts over five billion images. This map reveals the global geographic distribution of geotagged images on the platform, and thus reveals the density of visual representations and locally depicted knowledge of all places on our planet.

This sixth volume of PISA 2009 results explores students' use of information technologies to learn. . In 2009, students in 19 countries and economies took a PISA test using computers which tested their ability to navigate and evaluate information on line. Students also filled in a background questionnaire providing information on their use of computers both in school and at home.