Check it out for yourself: http://twittervision.com/ [6]
Links:
[1] http://linux.philosweb.com/drupal/category/it/blogging
[2] http://linux.philosweb.com/drupal/category/it/innovation
[3] http://linux.philosweb.com/drupal/category/it/visualization
[4] http://linux.philosweb.com/drupal/category/it/web
[5] http://linux.philosweb.com/drupal5/files/image_2_82.png
[6] http://twittervision.com/