Tutorials/Useful URL shorteners

The Internet is full of websites - some with short URLs and some with very long URLs. A URL shortener shortens a long URL so that the website can be more easily accessed. Here is a list of useful URL shorteners.

TinyURL
TinyURL is one of the more efficient URL shorteners because, while you can't track the number of clicks and referrers on a TinyURL, it is widely accepted on multiple communities because you can assign custom short URLs.

Bit.ly
Soon...