A blog is short for web blog and is an online journal. The first blogs were often personal diaries where internet personalities would write about and discuss their lives.

Because of the popularity of blogs they quickly grew in use beyond personal diaries into information resources and marketing tools.

Though a blog may seem confusing it is simply a special type of CMS, or content management system, that is designed to make frequent updates and content creation easy, even for writers with little technical know how. To put it simply, a blog is a website that is easy for non technical people to use.

Individuals who have business knowledge but little technical expertise can easily use them. Flexibility and ease of use is what makes blogs so popular, they make a simple for anybody with business expertise to publish their knowledge in an online medium.

There are many advantages to having a website. They are excellent vehicles for promoting products or services. For businesses that are trying to sell something a blog can be a great way to reach potential customers. Even without a product to promote blogs can still be valuable.

Advertising networks such as Google Adwords make it easy to make money from any site that gets visitors. Advertising networks show relevant ads from a range of companies, in this way almost any site can become a money making resource. In this way blogs can be used by almost anybody to make money online.

For people who have never built a website a blog is an excellent first step. A blog can be about any topic or subject of interest. Many bloggers start out by writing about hobbies or topics they know well. Sports, popular culture, automobiles, and travel are all popular topics for beginning bloggers.

If you intend to use a blog to sell a product or service it is important to write articles about relevant topics. For instance, if you are selling a product that can help people rid themselves of debt blog posts should be about personal finance issues.

For blogs that have advertising the specific ads shown will be based on the content of the posts. A travel blog will have ads primarily regarding travel and sports blogs will have advertisements related to sports.