goo.gl – Google Url Shortener
This buzz has been floating for a while and Google has been using goo.gl url shortening feature in Google toolbar and Feedburner. Finally Google made goo.gl url shortener public. Goo.gl is url shortening service from Google and perform the same functionality like other url shortening services. It can track clicks, referrers, countries, OS platforms, etc. To use it, just go to goo.gl and login with your Google account if you want to track your shortened urls.