"The default for this setting is … disallowing only unsigned apps" http://daringfireball.net/2012/02/mountain_lion …
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
"The default for this setting is … disallowing only unsigned apps" http://daringfireball.net/2012/02/mountain_lion …