When the Ubuntu Stackexchange website gets used more (and possibly a lot of questions that would otherwise have been asked on the forums get asked here), we're going to run into the issue of pointing out duplicates to newbies and non-native English speakers (who may not be able to find good keywords to search). On a forum, there's a neat way to inform the newbie that it is a duplicate and as long as you attribute the answer, you can copy the answer from the original thread.
Let me you know if you don't agree, but I'm worried that the whole "closed because it's a duplicate" will not be very welcoming to newbies and non-natives speakers. I can imagine a comment on the questions like "Duplicate", followed by a url. A few minutes later the question will be [closed].
Should there be some extra guidelines for those pointing out duplicates that make Ubuntu SE friendly for newbies and non-native speakers? Should we allow answers to be copied from other questions when the question is a duplicate? (Maybe award only half rep points if the question is a duplicate?)