1. Ysearchblog.com
A look inside the world of search from the people at Yahoo! You can also add the Yahoo! Search Blog feed to your personalized My Yahoo! page.
http://www.ysearchblog.com

2. Matt Cutts
Matt Cutts joined Google as a software engineer in January 2000. He is currently the head of Google's Webspam team.
http://www.mattcutts.com/blog

3. Adcenterblog.spaces.live.com
adCenter Blog
http://adcenterblog.spaces.live.com

4. Googlewebmastercentral.blogspot.com
Official News on Crawling and indexing sites for the Google index.
http://googlewebmastercentral.blogspot.com

5. WebProNews
eBusiness News, Search News, and Business Videos
http://www.webpronews.com

6. Searchengineland.com
Search Engine Land is a must read hub for news and information about search engine marketing, optimization and how search engines such as Google, Yahoo, Microsoft Live.com and Ask.com work for searchers.
http://searchengineland.com

7. Searchenginejournal.com
Latest Search Engine News from the Search Engine Journal
http://www.searchenginejournal.com

8. Ypnblog.com
The Yahoo! Publisher Network Blog
http://www.ypnblog.com

9. Blogs.msdn.com Livesearch Page
The official blog of the Live Search team at Microsoft
http://blogs.msdn.com/livesearch

10. Internet Marketing News | Marketing Pilgrim
Internet Marketing News
http://www.marketingpilgrim.com

11. Blog.ask.com
Ask's Official Blog
http://blog.ask.com

12. Blog.clickz.com
Learn how to create successful Internet marketing campaigns. ClickZ has expert advice about Internet marketing, email, brand and interactive marketing, and search engine marketing. Read the latest Internet advertising news, e-commerce market research...
http://blog.clickz.com

13. Blogs.zdnet.com Google Page
Garett Rogers - Googling Google
http://blogs.zdnet.com/Google

14. Googleenterprise.blogspot.com
Official Google Enterprise Blog...
http://googleenterprise.blogspot.com

15. Sugarrae.com
Never Mess With a Woman Who Can Pull Rank
http://www.sugarrae.com