There was and still is a website called The Daily WTF about discussing especially funny bugs and programmer's mistakes. In 2012 I registered on it as a user "un

There was and still is a website called The Daily WTF about discussing especially funny bugs and programmer's mistakes. In 2012 I registered on it as a user "undefined" to make a comment about JavaScript oddities under one of their articles and almost forgot about its existence, then they migrated their comments and forums to Discourse and in 2015 I got a bunch of email notifications about people mentioning me as suddenly all "likes" in the forum were linked to my profile: https://what.thedailywtf.com/topic/17637/undefined-liked-this https://what.thedailywtf.com/topic/17637/undefined-liked-thi...