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by isnoteasy 5804 days ago
The useful information is not only that you like an object, but if you want to receive ads for objects "similar" to that one, so they need a way to know how specific are you about your object. If you want a generic object give 0 as specificity level, if you are very selective put 90. If you are only interested in this particular object and not in any other put 100. Just an idea.