Heroku is now out of beta, and they're still keeping a free tier! http://blog.heroku.com/archives/2009/4/24/commercial_launch/
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
Heroku is now out of beta, and they're still keeping a free tier! http://blog.heroku.com/archives/2009/4/24/commercial_launch/