"Hi, Amigo!" "Hello, Captain Squirrels, sir!" "You have a new secret mission today. In order to encrypt correspondence between our units, you need to implement your own URL shortener service." "Cool! Uhh, I mean, I am ready, sir. But why do we need this?" "What do you mean why? Soldier, we're surrounded by enemies. We need to protect our lines of communication. Proceed to the task ..."