Geodemographics at the very least can be a decent proxy for race and politics. Add some basic interests and activities and you've got more refinement. One need

Geodemographics at the very least can be a decent proxy for race and politics. Add some basic interests and activities and you've got more refinement. One need only say "we want to target people in this area of the city" or "we want to target people who like The Telegraph magazine" now combine them, etc etc. It's not the same but it's very close. The difference is that advertisers can't explicitly target these groups which seems good. I wonder if religion and other less geographically constraints attributes will also be excluded?