What is a Blog?

A weblog is a hierarchy of text, images, media objects and data, arranged chronologically, that can be viewed in an HTML browser.

A blog usually written by person, in their area of specialized or what they are really interested in. You can write any topic in the blog and updated regulary.in the same time, blog has many applications. It also help people to contact with each other, where they can learn, share ideas, make friends with and even do business with people with similar interests from around the world.

Blogs tend to have a few things in common:

·         A main content area with articles listed chronologically, newest on top. Often, the articles are organized into categories.

·         An archive of older articles.

·         A way for people to leave comments about the articles.

·         A list of links to other related sites, sometimes called a "blog roll".