I don't have the time to write a complete HELL YEAH post reacting to the latest writing of Todd Defren, but I will tell you to go read his post Got Some Personal Branding I Could Borrow? right now. He hits on something that more and more companies I think have to begin thinking about. I won't mention names, but I can think of several companies who have people working for them and I wonder if they even realize what a great asset they have in that individual.
"Team before Tweet" might just be simplest rule ever. (read the comments to give it context)