Leet Language

Leet is a pop language in the internet. It's created by some hackers. Now, more and more Leet language go into our daily life. For example: hI @R3 Joo hom3 4Lon3 = hi are you home alone
And below, there are more Leet Language if you are interested in that^_^: http://www.google.com/intl/xx-hacker/

PS: Anyway, you shouldn't spend much your time on research this principium.