Lets Talk Aggregator

[Useless]

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.

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.