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I did not post this question, or the 2nd or 4th comments underneath it either. The user linked to the signature in the question isn't me either. Either you have a system fault or someone has been messing around.

marked as duplicate by Josh Caswell, hims056, animuson, Toon Krijthe, Bo Persson Feb 6 '13 at 7:14

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    I think someone has been messing around... And changed his name to yours. (or was just a coincidence) – Mysticial Feb 6 '13 at 2:45
  • @Mysticial There is indeed another user currently on a rampage against me and others, but I don't see how he could change a third user's name, or how anybody could change their name to one that already exists. – user207421 Feb 6 '13 at 2:47
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    User names are not unique. It is just the display name. – juergen d Feb 6 '13 at 2:47
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    Time to change my name to Jon Skeet! – Doorknob Feb 6 '13 at 2:49
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    @EJP: Always trust the user ID! Anyways, it's pretty hard to impersonate. Aside from the same name, his Gravatar, reputation, and badges are all different. – animuson Feb 6 '13 at 2:49
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    Well, there are about 50 billion people named John Smith. More than one of them joined SO. :) – Mysticial Feb 6 '13 at 2:51
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    @animuson If the displayed userID isn't unique in this system, this was not 'pretty hard' at all, and in any case it should be not 'pretty hard' but impossible to impersonate. UserIDs are unique in all the dozens if not hundreds of other systems I use, including the ones I build. At present SO is putting about misleading information about me. – user207421 Feb 6 '13 at 2:54
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    @EJP: I doubt you have the rights for your 3 letter name :) – juergen d Feb 6 '13 at 2:54
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    +1 because I think this needs to be fixed. – Doorknob Feb 6 '13 at 2:55
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    @EJP: User IDs are unique. User names are not. The user ID can be easily seen by hovering over the user link and looking at the number in the URL, or going to their profile and looking at the number in the address bar. It's not like it's completely hidden. – animuson Feb 6 '13 at 2:55
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    @Mysticial EJP1 EJP2 EJP3 – Doorknob Feb 6 '13 at 2:56
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    @EJP If the impersonator is intentionally impersonating you with bad intentions, I believe that warrants moderator action. Obviously I can't change my name and picture to Jon Skeet to fool people. (I'd get away with it for about 5 min. before a mod changes it back and suspends me.) – Mysticial Feb 6 '13 at 2:59
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    @EJP: Try a user search for the word "John" – animuson Feb 6 '13 at 3:00
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    @downvoters Please explain. I did post that question? The user is me? Someone hasn't been messing around? This isn't worthy of moderator attention? – user207421 Feb 6 '13 at 4:01

I reverted the other user's name change.

While I don't know the exact reasons behind it and in principle there's no requirement for usernames to be unique, it's pretty clear that this was recent, intentional, and causing confusion. So... undone!

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    Many thanks, Anna. I believe this is the correct answer. – user207421 Feb 6 '13 at 4:02
  • Anna, the Content Policy says: "Users that misleadingly appropriate the identity of another person are not permitted." It also says that this is grounds for suspension or removal of the offending user without notice. – user207421 Feb 13 '13 at 22:49
  • @EJP That's at our discretion. This particular situation was resolved a week ago. Did something happen to stir it up again? – Adam Lear Feb 13 '13 at 22:52
  • Yes, actually, my SO account has been suspended without notice. – user207421 Feb 13 '13 at 23:21
  • @EJP Wasn't without notice, or at least not intentionally. You should've received two messages: stackoverflow.com/users/message/5773#5773 and stackoverflow.com/users/message/5779#5779 both as emails and as notifications on SO. You can chat with the moderators by replying to either one. (This was, by the way, completely unrelated to the name change incident.) – Adam Lear Feb 13 '13 at 23:23
  • @EJP My apologies if the notifications didn't reach you. We've moved to a new datacenter and things have been a little wonky the last couple of days. – Adam Lear Feb 13 '13 at 23:24
  • I received the first message by email. Just found the 2nd in the Junk folder for some reason. I've replied to the 2nd message on the site, but he posted it 9 hours ago, so he may not see it for another 15 hours. I'm not aware of anything that would motivate a suspension without notice. I'm posting here as I am wondering whether it is a result of another identity fraud. – user207421 Feb 13 '13 at 23:50
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    @EJP This is completely unrelated. – Adam Lear Feb 13 '13 at 23:50

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