Read this article from The Future Buzz.

“Unscientific observation: most bloggers use Twitter, but many Twitter users do not blog.

Twitter is popular because it is easy. It is easy to setup, easy to copy-paste links into, and easy to write 140 character bits. But, having your own blog remains the strongest platform if you’re serious about sharing ideas and having a continued dialog with the world. Blogging is the antithesis of easy, however it is far more rewarding.

I’m not saying Twitter isn’t a useful and interesting service, because it certainly is. But it does not negate the real opportunity that is actually made more useful by the popularity of microblogging: having your own blog.”