Cv
You can use your blog to showcase your cv and when someone asks for your cv you can jsut send them a link. Or you can send them straight to the download link instead of having to email it for them and hope they get it.
Journal
You can use your website for a journal what most people do. They write their personal stuff in it and just blog about their personal lifes instead of having a book form journal. This is actually how some of the first blogs started.
Photoblog
You can use your website to upload all your photos for your familly and friends to view
Portofolio
If you are a designer you can use your website to display all your designs
Contact place
If you are a traveler who does not stay in one country longer than a week you might want to use a website as a place for everyone to contact you. Sort of like a homebase.
Job
You can blog full time. With all the opportunities online now days you can blog full time and make money and a living from working on your blog
