Odd, unusual, or unconventional writing styles.

What would be an example of an unusual writing style that you can come up with, and would you care to explain why you think it would be interesting or important to use it. My reasoning for asking is largely curiosity. <br><br>For instance, I once read something about a writing style that excludes certain letters of the alphabet. <br><br>What are your thoughts on this subject?<br><br>TL:DR- What are some odd writing styles, and how effective are they?