http://www.useit.com/alertbox/articles-not-blogs.html - Write Articles, Not Blog Postings
To demonstrate world-class expertise, avoid quickly written, shallow postings. Instead, invest your time in thorough, value-added content that attracts paying customers.
You probably already know my own Internet strategy, so it might not surprise you that I recommended that he should instead invest his time in writing thorough articles that he published on a regular schedule. Given limited time, this means not spending the effort to post numerous short comments on ongoing blogosphere discussions.
Writing is a skill most people don't have. So writing real articles that give information while being entertaining is as rare as a humble CoT poster.