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Timeline for Why are usernames not unique?

Current License: CC BY-SA 4.0

12 events
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Jul 18, 2020 at 10:05 comment added polfosol A few months ago, there was a flood of "Reinstate Monica" usernames. No one was against this, but the irony was when several Reinstate Monica s where commenting on the same post. Because if you wanted to answer one of them by mentioning, it would have ended in a headache.
Jul 15, 2020 at 4:55 comment added Martin Sleziak Maybe difference depends on whether we count unregistered users? (I.e., the users who participated here without registering, just relying on their login being remembered in cookies.)
Jul 15, 2020 at 4:54 comment added Martin Sleziak @Andrew It is interesting that we each get somewhat different counts. I get 66 Andrews and 70 if I count case insensitive. (There are four lowercase answers.)
Jul 14, 2020 at 7:22 comment added Andrew Usernames are unique. The names that users choose to display, however, are not. (As one of the horde of Andrews, I feel the need to reply! Btw, I count 53 members of this distinguished horde.)
Jul 12, 2020 at 5:56 history edited Martin Sleziak
created the (user-names) tag; as discussed in MO editors' lounge: https://chat.stackexchange.com/rooms/10243/conversation/a-tag-for-usernames-on-meta
Jul 11, 2020 at 8:32 comment added Martin Sleziak Here is a query which can be used to list all users name Andrew, Adam or any other username you want to try.
Jul 11, 2020 at 8:30 comment added Martin Sleziak Indeed, it seems that there are usernames more frequent than Andrew, here is a SEDE query listing the most frequent ones. The duplication goes down if you look at users with non-negligible reputation, here are the results if you take reputation at least 102 or at least 1000.
Jul 11, 2020 at 8:21 history edited Martin Sleziak CC BY-SA 4.0
added direct link to the search for users with a username containing "andrew"
Jul 10, 2020 at 19:38 answer added Gerhard Paseman timeline score: 7
Jul 10, 2020 at 11:46 history edited Glorfindel
edited tags
Jul 10, 2020 at 11:46 answer added Glorfindel timeline score: 12
Jul 10, 2020 at 11:15 history asked John Bentin CC BY-SA 4.0