Bit.ly

Bit.ly is a web service that shortens lengthy web URL's into something short and easy to use. 

Steps

1. Visit Bitly and sign into your account
   Note:  Accounts are free!
2. Click "Create", the orange button top right of the webpage
3. Paste the URL you want shortened
4. A suggested link of random letters and numbers is generated.  You can change this to be something more meaningful
5. Click Save

The video below is a quick guide posted on YouTube.