Duplicate message may incite making more duplicates
15326
Duplicate explanation should encourage improvement of original
48639
Why prevent duplicate questions?
44211
Duplicate notification for the same reputation event after editing question title
112760
Bug when marking a question as duplicate
10542
Show post(s) already chosen as duplicate suggestions in iOS app
1663
Allow same user to add multiple links as possible duplicates
113181
Customize the Duplicate Username error message in a Community
71646
Duplicates of an outdated question
3578
Two kinds of Duplicate closing are too confusing - suggestion for a possible fix
16219
New flagging dialog has a duplicate for duplicate
135386
Should bug-report/feature-request *questions* that duplicate Grab-bag *answers* be closed as duplicates?
105329
Trigger to check for duplicate contacts on lead conversion
76054
Add a message when posting to old questions with more than N answers
91152
Feed algorithm changed? Lots of duplicates
70613
“possible duplicate” comment should be re-added if it's been deleted
82853
Can Community ♦ raise a duplicate content flag when an answer is deleted and re-posted as a new answer?
112077
How to check if a value already exists to avoid duplicates?