He paid every month and made nothing, so he wrote a post explaining why he was leaving. That decision, published under his own name while still working in the industry, tells you more about this blog than any of the tutorials do.
The commenting posts are the ones people should read. Two of them explain exactly why he hates leaving a comment on your blog, which turns out to be a list of things you have probably done to your own comment form without noticing. A companion post covers choosing the plugins that handle comments and sharing.
He argues that branding yourself matters more than branding the company you represent, and he reached that conclusion the hard way, having worn the branded fleece and polo shirt around town on somebody else's advice.
Elsewhere he covers an operating system release, a half empty Madonna concert in Edinburgh, and productivity software for people already drowning in it.
Read the commenting posts before you next ask anybody to comment on yours.