Joining is easy, simple, and free! So for those who hasn't joined yet, do go and check them out! Better yet, do sign-up at the site, too! :)
Have you heard of Buzzfuse.com? It's a site for those who want to have their page contents get noticed! I'm sure we all want someone to see what we've been up to! What's more, they can help you monetize and market your work, too! Isn't that neat?