In preparation of the 20th anniversary of the release of the album, the band asked their fans to submit pictures and videos in relation to "Hybrid Theory" in celebration of the 20th anniversary. Entries closed on March 16, 2020. On August 7, the band's official website went under a temporary redesign resembling an early 2000s computer theme, leaving behind clues and puzzles hidden within the website hinting at a re-release of the album, including old emails, pictures, and codes. The website was updated frequently leading up to the announcement of the 20th anniversary re-release on August 13; a previously unreleased song, "She Couldn't" was released on the same day.