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Let's say user A has received different milestones. Does StackOverflow have any ways of identifying that this user A now belongs to an expert community for this specific subject?

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Hi, I think it doesn't have that answer. It's not about no. of badges, but what no. of badges when you get declare you that you are expert? Is there some system in SO? That was my question, could you please read first before down-voting?? –  Barun Bashyal Jul 23 '13 at 12:28
Tag badges is the sum total of what Stack Overflow has towards identifying anyone as an expert. –  Martijn Pieters Jul 23 '13 at 12:30
expert in field == at least 5% of Jon Skeet's rep. =) –  Charles Caldwell Jul 23 '13 at 12:30
But, my question is.. can you declare that you have "x" amount of tag-badges and then you are "expert"? Does SO have that system provided? That was my question –  Barun Bashyal Jul 23 '13 at 12:31
Martijin Pieters.. can I down-vote your comment? Seems you don't read questions properly. :) –  Barun Bashyal Jul 23 '13 at 12:32
Stack Exchange is not a profession certification authority. o.o –  J. Steen Jul 23 '13 at 12:33
Why would we have a system like that? How would such a thing even be determined? Should we just pick some arbitrary number? –  Cody Gray Jul 23 '13 at 12:35
That's why this is under "discussion" tag. –  Barun Bashyal Jul 23 '13 at 12:36
Alright, makes sense. Thanks Cody Gray. –  Barun Bashyal Jul 23 '13 at 12:49
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marked as duplicate by Martijn Pieters, Cody Gray, Doorknob, Jim, Tobias Kienzler Jul 23 '13 at 13:10


2 Answers

No, there's nothing that officially identifies a user as an expert in a subject on Stack Overflow. The closest thing we have is the tag badges: Bronze, Silver, and Gold. These merely indicate that a user has gotten X upvotes on Y posts in that tag (see the links for actual values of X and Y for each badge).

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They'd have Bronze, Silver and Gold tag badges for the topics they were answering in, depending on the votes they'd received in those tags.

See here about half way down.

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