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Hi, while browsing the main page of stack overflow parent site, I noticed this: alt text

However upon going to the question, I could not see anything modified in there. Am I getting blind, or is this some sort of weird bug? Why editing year old question anyway?

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1 Answer 1

up vote 2 down vote accepted

The user you see as "Community" is not a real person. It's a background process that helps keep Stack Overflow clean. One of the things it does is to randomly poke old unanswered questions every hour so they get some attention. In the above case, the question is quite old and still there is no accepted answer. Hence, "Community" poked it so it gets some attention.

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3  
-1 –  aaronasterling Nov 14 '10 at 12:16
    
Thanks, this surely solve the mystery. However, why not sending email to the OP telling him/her "Your question has pending answers, please mark one as correct"? –  Shadow Wizard Nov 14 '10 at 12:18
    
@aaronasterling - any idea why Mr. Community has so many up votes? Does it mean all questions get at least one up vote at some point?? –  Shadow Wizard Nov 14 '10 at 12:22
    
Close -- it is lack of an upvote that triggers this though –  Jeff Atwood Nov 14 '10 at 16:42
    
@Shadow Wizard: Mr. Community gets upvotes to Community Wiki posts. It is stated indirectly on its user profile: "Own community questions and answers so nobody gets unnecessary reputation from them". Second question: given infinite time most likely, in practice: no (Mr. Community is not the cause in either case). –  Peter Mortensen Nov 15 '10 at 7:30

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