Add a New Link
To add a new short link you can go to http://crnl.co/admin and click on "add Link" in the left hand navigation pane. You could also just go directly to that page using this url: http://crnl.co/admin/links/add
Type or copy in the url address of the of the website you want your short link to be linked to and click submit. As an example, the url address in the picture below would take someone to Cornell's Academic Calendar.
The url address of the web page you want should be on the top of your internet browser as you are viewing that web page, simple highlight it all with your mouse, right click on it and hit copy, then right click in the "Add Short Link" box and hit paste.