The easiest way is to sign up for a free blog like blogger or wordpress and have a series of different themed posts, perhaps some 'How to' some about your business and what you do, what interests you etc and include tags that are relevant to each post.
Try googling Blogging for beginners to give you some advice, here is a link I found:
http://www.problogger.net/archives/2006/02/14/blogging-for-beginners-2/
