The weblog possesses an unmatched ability to create targeted serendipity by presenting its self-selected audience with the news and trivia that is predictably interesting and useful. But the very idea of serendipity demands that the discoveries so provided be to some extent unexpected. When news stories are rigorously selected to align with predetermined worldview, human filters become little more than propaganda machines.
Source: The Weblog Handbook: Practical Advice on Creating and Maintaining Your Blog, Pages: 162
Contributed by: ~C4Chaos