Copywriting

Content, and copywriting specifically, are the keys to the Web lead generation and sales. Learn from some of the best:
Content vs. Links (Online Marketing Blog)
Link Building Strategies that Work (Copyblogger)
Creating Cornerstone Content (Copyblogger)
Flagship Content (Performancing)
Search Engine Keyword Research (Copyblogger)

Mark Twain on Blogging

From copyblogger, rapidly becoming one of my favorite blogs–The Mark Twain Guide to Better Blogging.
Here are a couple more that I think should be important to bloggers:
We write frankly and fearlessly but then we “modify” before we print.- Life on the Mississippi

I think this would add more power to even the most radical writers, because rational, logical [...]