How to Change the World: Practical Blog for Impractical people." http://blog.guykawasaki.com. Guy is a master at using tech tools such as Twitter and LInkedIn to abet your career. He also comments about and links to the best new career/biz-related books, e.g., What I Wish I knew when I was 20." and In Pursuit of Elegance.
Gary Hamel's Management 2.0. http://blogs.wsj.com/management. Recent post titles in this Wall Street Journal blog: Empowering Natural Leaders in
startupnation.com/blogs. A multiple-author blog, this one is gratefully career counselor-free. Instead of their usually too generic advice (network, feel the fear and do it anyway, etc.) this site is long on practical specifics. Recent posts: Help for Small Biz: SBA Backs Interest-Free Loans, how Merchant Services Work, 15 Questions to Measure the Strength of Your Home Biz.
TheChinaObserver.com. I believe this is the rise of the Chinese empire and the fall of the American. Chinaobserver.com is my first-choice blog for figuring out how people outside of
Allthingsworkplace.com. Recent posts: Are You Really Developing Leaders, Which Comes First: Job Performance or Job Satisfaction, Four Tips for Presenting at the Meeting Table, Speaking? Three Ways to Satisfy Your Audience.
ben.casnocha.com. Ben Casnocha is the smartest (and nicest) young business-oriented guy I know. His blog shares his musings about business and entrepreneurship. He's especially good at questioning conventional wisdom.
Businesspundit.com. Recent posts: Accrual accounting for non-accountants, 25 businessmen who broke the rules (and some laws), 25 Well-Paying Jobs Most People Overlook (and why.)
Science blog + genetics. http://www.guardian.co.uk/science/blog+genetics. I'm betting that genetics will do more to help the world (and create lots of great jobs) than any other innovation. Written in plain English, this blog would keep me current, easily.
Hit and Run. Reason.com/blog. When I start to think I'm crazy for being nervous about the mammoth transfer of jobs from the private sector to the government and government-mandated sector, I get a reality check from this intelligent libertarian-leaning site.
Marty Nemko. martynemko.blogspot.com. You'll hate me for saying this but I truly believe this blog has the most useful advice on most topics related to advancing your career, for example, salary negotiation, overcoming procrastination, managing anger, succeeding in small business. Yes, you'll have to click "career advice" on my tag cloud to avoid having to read my posts on politics (libertarian-leaning,) race (reverse discrimination is rampant,) and men's issues (men are treated poorly relative to their merit,) but I think you'll find that worth it.