We have a customer that wants to display date-based archives in a very particular way. So far it’s been a challenge, and we got the job done by creating some fairly complex code. Even so, it’s easy to use!
TinyURL.com and its competitors are useful sites. They let people convert long URLs into short encoded URLs, and that makes them easier to read in Web posts and in email. But, as nifty as short encoded URLs might, they are also highly dangerous.