If you ever have some times to waste I encourage you to check out the following programming languages. They are not really of any use but are a cool mental exercise.
BrainFu*k (or BF)
Whitespace is interesting because you embed secret messages through code within white space of your web pages.
Sure, go ahead and print out your white space program and destroy the source file. No one is ever going to figure it out now.
Apparently I had some time to waste this weekend.