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6:43 PM
Interesting SE page about duplicate questions. Now, we've seen this one ...
But I don't remember this one, linked from that page:
Jeff Atwood on November 16, 2010

As Stack Overflow grows — or any other Q&A; site in the Stack Exchange network, really — there’s a natural pressure to discover and link duplicate questions. The more questions you have, the higher the possibility a given new question isn’t in fact a new question, but a duplicate of an older existing question. Because of this, we’ve continually enhanced the tools for finding, linking, and merging duplicate questions:

Handling Duplicate Questions

Handling Duplicate Questions …

I think that I will read that over before marking a question as duplicate next time.
 

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