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"The spread of information in the blogosphere. First blog writes a post and then other blogs refer to it. The behavior (information) spreads (cascades) through the network of blogs." - Cost-effective Outbreak Detection in Networks - used to describe the techniques of blog ranking

- Images, when used correctly, can be a great addition to a blog. Some genres of blog, such as ones revolving around art or fashion, call for images more than other genres of blogs do. Likewise, video and sound clips can be a great addition to many different types of blogs as well.
- Bloggers must be careful, however, because too many images or images that aren't pertinent to the topic or discussions on the blog can become distraction and cluttering.