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by uberman 1107 days ago
I only see one flagged by other users and potentially for it being a dupe
1 comments

How users can flag it?
As a user gains karma, so facilities become available to them. The ability to flag posts is one, the ability to vouch for posts is another, and so on.

You might want to read the FAQ (more) closely:

https://news.ycombinator.com/newsfaq.html