>But if you set up a content farm / honeypot, you shouldn't be able to tell that the search term that brought the person to you is "how to deal with my XXX infection"
Why not? How else are you going to 1) provide information on dealing with an XXX infection, or 2) recognize enough people are landing at your site looking for advice on their XXX infection that you should provide some answers?
Why not? How else are you going to 1) provide information on dealing with an XXX infection, or 2) recognize enough people are landing at your site looking for advice on their XXX infection that you should provide some answers?