Apple is “prodding digital maps provider TomTom to fix landmark and navigation data it shares with Apple” http://www.bloomberg.com/news/2012-11-27/apple-said-to-fire-maps-manager-after-flaws-hurt-iphone-5-debut.html …
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