OSS: 2009年度 OSS ミドルウェア/ツール調査 | The Linux Foundation : http://www.linux-foundation.jp/content/2009osstools
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
OSS: 2009年度 OSS ミドルウェア/ツール調査 | The Linux Foundation : http://www.linux-foundation.jp/content/2009osstools