Artist Stefan Stagmeister once noted: "Keeping a journal promotes personal development.", he was reflecting on the growth made possible just by writing. The same is true for modern businesses, just swap the journal out for a diary, and personal development for business growth - now, you have a 21st century friendly formula for why to create a blog for your website.
So why is it important that you start a blog (preferably right now) for your website? You're about to find out.
Blogging...