SEARCH: Sphere joins ranks of blogs-only search
Sphere.com joins a growing list of blogs-only search engines.
Try them all out:
- Sphere - newest entry
- Blogdex - tracks "most contagious" information
- Daypop - search 59,000 blogs and news sites
- Google Blog Search - Google does blog search
- Feedmap - find blogs on a map
- Blogdigger - find local blogs
