[The_Big_K]

Well, blogging is an art! There are no clear answers to your question but following pointers might help.

1. To create a blog, either use existing blog hosts [blogger.com, wordpress.org] or buy a domain and install a blog engine on it. I recommend that you should go with blogger / wordpress.org to get started.

2. Setup a theme on your blog that is unique. There are lot of freeware themes available for above mentioned platforms.

3. Content: If you can put up unique content on your site, readers will want to visit your blog often.

4. Update often. Don't just create a blog for the heck of having one. Update it at least twice a week.

5. Tell your friends, foes, neighbors, relatives, relatives' uncle's cousin's best friend about your blog. Yes, if you don't tell them, they'll never know about your blog. Just tell everyone!

6. SEO your blog: That should get some nice traffic from search engines.