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xkcd #3245: Results Age
(imgs.xkcd.com)
Title text:
Please, we need your help. Our research suggests you're the last living descendant of the person who knew how to format this config file.
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3245/
And there's a comment below by you
"Fixed it"
And nothing else
Or when the person with the answer deleted their account and all messages with it, then all of the comments after say “That worked!”