I also do this, but I think it is at least slightly correlated with what I am reading. So the false positives aren't really false, they might represent, to a de

I also do this, but I think it is at least slightly correlated with what I am reading. So the false positives aren't really false, they might represent, to a degree, what people are spending time reading. Also, this would be really to filter out, the amount of highlighted areas would just be ridiculously large.