So you want to build a blog ? sounds good. Now you have another question how to build a blog ? to find the answer for your question you first need to find out what kind of blog you want to make is your blog will be for business or for personal.
If your blog will be personal then i will recommend you using WordPress, its an open source easy to use blogging platform and on top of that WordPress is the number most popular script on the web that you will ever find.
WordPress offers there user thousands of themes and plugins that can make your blog look fabulous, WordPress is even used by some big companies , because there themes lets you create a webpage for your company.
Who uses WordPress ? WordPress is used by some of the most popular blogs around the world like for example; technobuffalo, techcrunch, geeky-gadgets and many other blogs. So if your ready to start a website use WordPress we highly recommend it .