Pop or not? A review of mainstream content in anthropology blogs

How good are anthropologists at reaching a mainstream audience? To find a rough answer to this question, I have reviewed 159 anthropology blogs and classified them in terms of how much they appear to be written for a mainstream audience. Here's what I found:

Just 10% of anthropology blogs are written primarily for a mainstream audience.
Of those 10%, 8 are physical anthropology, 4 are cultural anthropology, 1 is archaeology.
Physical anthropologists are way more likely to publish pop anthropology in websites aimed at a mainstream audience than are cultural anthropologists.
However, a full 70% of anthropology blogs include some mainstream content, and a lot of it is excellent. Much of it is also cultural anthropology.
There are potentially around 100 writers in this blog list who could take their content mainstream immediately, should they wish to do so.

My classifications are attached. Note that my grading system is not intended to reflect the quality of the blog at all: it is solely a measure of mainstream appeal, judged subjectively by me. Comments and corrections are welcome!

Thanks to Jason Antrosio for his excellent list of anthropology blogs on the Anthropology Report website (http://anthropologyreport.com/anthropology-blogs/)