Correlate navigation requests made through DDG with location data from people with less of a focus on privacy. From there you can use a social graph to narrow d

Correlate navigation requests made through DDG with location data from people with less of a focus on privacy. From there you can use a social graph to narrow down who lives at a given location to a small set of people. It's a lot better than straight up telling a third party which account lives at/uses a certain location, but it's navigation is a very revealing activity no matter what.