Business 2.0 and Fortune talk about blogs

The October issues of Business 2.0 and Fortune magazine had three diverse articles on corporate blogging.

Corporate blogging: Big companies are blogging, for better (Sun CEO's geeky but candid blog) or worse ('Wal-Marting across America')
A review of the best and the worst of corporate blogs in the United States.

Blogging for Dollars: It's not just a hobby - some small sites are making big money. Here's how to turn your passion into an online empire.
This article is less on point for our discussions about corporate blogging, but traces an interesting history of some big-name blogs and how some bloggers have turned a hobby into a very lucrative business.