Wired has a great interactive info-graphic on the path blog posts take once you hit the "go" button.
You have a blog. You compose a new post. You click Publish and lean back to admire your work. Imperceptibly and all but instantaneously, your post slips into a vast and recursive network of software agents, where it is crawled, indexed, mined, scraped, republished, and propagated throughout the Web. Within minutes, if you've written about a timely and noteworthy topic, a small army of bots will get the word out to anyone remotely interested, from fellow bloggers to corporate marketers.
Since MacBook) that drive the most leeches.I've found that more and more of the content I post is scraped and put on link harvesting blogs. There appear to be a few keywords (Microsoft, Apple,