YouTube is a popular video-sharing platform that has enabled the Creative Commons Attribution (CC BY) license as an option for creators to license their work when uploading their videos. YouTube has created a tutorial on how to mark your video as CC BY when uploading videos to its platform at http://www.youtube.com/t/creative_commons.
The Internet Archive is a digital library of internet sites and other cultural artifacts in digital form, including audio, moving images, texts, and archived web pages. See the Case Study for more information.
Wikimedia Commons is a media file repository of CC-licensed and public domain images and videos that supports Wikipedia articles and other Wikimedia Foundation projects.