A big reason I blog is that I find writing something down is essential to clarifying my thoughts. Once it's written down, I might as well put it online, and it

A big reason I blog is that I find writing something down is essential to clarifying my thoughts. Once it's written down, I might as well put it online, and it has the added advantages that I can simply link to the material rather than having to explain it over and over again e.g. in emails.