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- How do comments work? 1 answer
How do I comment on an answer in StackExchange sites (e.g., StackOverflow) and what StackExchange site should I have asked this question on?
migrated from stackoverflow.com Nov 9 '13 at 14:05
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Commenting on others' posts is a privilege that will be unlocked when you gain reputation. I think the feature is enabled when you reach 50 reputation.
See http://stackoverflow.com/help/privileges for the full list.