The preview page also contains stats such as how many times that link has been clicked, that link's creation date, as well as a brief description of that link (if provided).
Provide a brief description of your link if you are sharing it with others and they can access it with the preview feature
Use the custom URL feature to make your shortened links more memorable
And, above all, don't screw up and have fun
* This site may not actually satisfy all of your URL shortening needs. It may, in fact, satisfy only 90% of your needs. If there is a feature you would like that is not currently implemented, please submit a feature request here and I'll do my best to put it in.