@monkbent Yahoo has 3rd-party signals with its "Newspaper Consortium" deals. It is pretty pervasive. http://preview.npconsortium.com/
@irwindigital wow - super interesting. Thanks. I'll add a link to that and credit you
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
@irwindigital wow - super interesting. Thanks. I'll add a link to that and credit you