Quote:
Originally Posted by cash29
No, you CANNOT look at the post dates to determine uniqueness of posts. All I would have to do to spam your aggregator would be to update the date of my post without changing its content.
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Then you drop their feed. Done! One can't expect to let a site to run itself and end up with quality. And if one forces an aggregator to look at every post in a heavy database, you must except that the slow down is going to occur.