If you are reading this post, you have probably already learned the value of a well written blog (I hope I am working my way up to “well written”). The best posts will give you a nice juicy morsel of information with links for those who want to dig deeper into the subject.
I read several blogs everyday. Here are a few of my favorite business blogs:
Seth’s Blog
Brand Autopsy
Idea Sandbox
Joshua Horne’s Blog
Church of the Customer
HELLO, my name is BLOG
How to Change the World
Bonus morsel: Change This is a website that hosts dozens of manifestos about everything from Word of Mouth Marketing to Mixed-Use Neighborhoods.
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Update: Josh Horne says his new blog is located here.
Entrepreneur Architect 
Mark… I’m flattered that Idea Sandbox is on your short short list… Thank you for the nice words! We’ll make a deal… I’ll do my best to try to keep my site interesting. You keep stopping by! Thanks again, Mark!
Mark,
Thanks so much for putting me on your list of blogs you read. Something has happened to my blog, and I can’t post on it anymore! So, I’ve moved to joshuahorne.typepad.com/writings
Thanks for mentioning me, and I’m really enjoying your writing.
Josh