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by sillicontech 1106 days ago
How users can flag it?
1 comments
ColinWright 1106 days ago
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

link