If you don’t know what a blog is your so behind. Blogs are the new web 2.0 phenomenon that function like online diaries. You can blog about any subject matter that interests you. While your blogging about the things that interest you, you can add text, video, audio podcasts, images, links to your main website, or combine them all. The main feature that has attracted many people to blogs is the ability to communicate with readers by leaving comments on blog postings. This creates an instant community of people interested in your topic and subject matter.