Thread:Xanton/@comment-24770490-20141024154442/@comment-1409915-20141025151803

Xanton wrote: Also I before yesterday, neither knew highlighted threads existed or would be erased after a week.

The threads aren't erased; the highlight is simply removed. As for when, I most likely highlighted it on the same day as the rule was created. After that, it lasted for one week. When was that?