Targeting is so off on my site and there's no way I can drill down to the wrong category that's been dominating my ads for months to be able to even block them. So I was thinking, what if there was a way we publishers could add + and - qualifiers to our accounts to help AdSense zero in on our niche? For example, let's say my site has nothing to do with autos. In my fantasy AdSense setup, I could add -autos and AdSense wouldn't serve any autos ads. Obviously, an infinite list of qualifiers could be problematic for AdSense and abused, but what if there was a limit, say of five? Could something like this work? (not that there's a snowball's chance in hell it'll ever happen!)