According to Google Trends, the iPhone is ahead of Twitter in buzz, but Twitter has done a lot of catching up. http://tr.im/nQ4K
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
According to Google Trends, the iPhone is ahead of Twitter in buzz, but Twitter has done a lot of catching up. http://tr.im/nQ4K