https://motherboard.vice.com/en_us/article/d3bzww/the-creative-commons-avoid-a-tragedy-on-flickr > Flickr’s major business model change may lead to a lot of photos getting deleted in the coming months, but it won't make a victim of the Creative Commons. > The company announced Wednesday that it would maintain the roughly 400 million pictures that rely on variants of the popular license, a “copyleft” agreement that ensures creators keep ownership of the content but allows others to use, redistribute, or remix the content, based on the type of license used. Many media outlets large and small, including Motherboard, use Creative Commons photography.