Blogs that focus on business are great resources to bloggers. Here's a list of some of the most popular blogs about online and offline business.
Guy Kawasaki's blog is one of the most popular business blogs online.
Consumerist is part of the Gawker Media network and provides insight into business from the consumer's perspective.
John Chow's blog uses the tagline, "The Miscellaneous Ramblings of a Dot Com Mogul" and includes information about business and making money online.
Matt Cutts talks about business, search engine optimization and Google on his very popular blog.
Jeremy Shoemaker blogs about business and making money online.

