So you institute a ranking algorithm that also watches for spam to insure that all of a particular vendor's replies aren't either the same or just filling in a

So you institute a ranking algorithm that also watches for spam to insure that all of a particular vendor's replies aren't either the same or just filling in a template with keywords from a request and otherwise the same. That way, if a vendor makes too many unpersonalized offers, they could get warned, lose karma, whatever. Whereas if a vendor really targets someone's needs well, even if they don't have the price or exact item that the buyer wants, that buyer might still shoot them some good karma for trying. shrug