Long live software easter eggs! https://dl.acm.org/doi/pdf/10.1145/3534857
The x-easter-egg HTTP header: https://webtechsurvey.com/response-header/x-easter-egg
A master’s thesis topic on easter eggs: https://cryptpad.fr/pad/#/2/pad/view/NFGiOxg7ZkCCPu0wRNET-LdtiluIoupBU8cjo5OAru8/
We want cool easter eggs in Firefox: https://bugzilla.mozilla.org/show_bug.cgi?id=533333