The Internet Archive advocates for a free and open Internet to provide universal access to all knowledge. It is a digital library that promotes free information and access to collections including websites, software applications, music, audiovisual and print materials. It allows the public to upload and download digital material to its data cluster, but the bulk of its data is collected automatically by its web crawlers, which work to preserve as much of the public web as possible. It is globally aknowledged as a critically important archive for helping preserve the digital era in which we live.