Also, "Only one major browser, Apple's Safari, is preset to block all third-party cookies, in the interest of user privacy" Telling contrast
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
Also, "Only one major browser, Apple's Safari, is preset to block all third-party cookies, in the interest of user privacy" Telling contrast