No surprise: corporate bloggers are the smallest piece of the blogging pie, according to Technorati's just released State of the Blogosphere 2008. Only 12 percent of bloggers self-identify as "corporate," meaning they blog in an official capacity for their company.

But to complicate the numbers, a number of corporate bloggers also identify themselves as personal or professional. Click Continue to see the chart. Frustratingly, this leads to more fuzzy math. Twelve percent of what, I asked Technorati. Senior Director of Marketing Jennifer McLean replied via email that the 12% refers to the number of bloggers surveyed. That's 1,290 completed…

David Meerman Scott and I enjoyed some Mexican food in Reston, VA tonight. David was in town to do one of his New Rules of Marketing seminars based on his eponymous best-selling book. I asked him if he thought CEOs might adopt Twitter over blogging, as it's short and sweet. It's not an either or choice between Twitter and blogging, he said. Click continue to see our video. We were having a little fun after dinner. (You can follow David or me on Twitter.)

Despite the fact that 39% of the Inc. 500 are blogging, I found only a tiny handful* of folks at this year's Inc. 5000 conference (speakers or entrepreneur-attendees) who are actively engaged in using social media. And when I say "actively," I mean more than the occasional blog post. So it was fun to meet Greg Cangialosi via Twitter. Greg is CEO of email services provider Blue Sky Factory - #1,861 on this year's Inc. 5000 list. BusinessWeek recently profiled a handful of Twittering CEOs and as well as explaining the brand building…

"If you're not blogging, you're an idiot," management uber-guru Tom Peters told hundreds of attendees at the Inc. 5000 conference. "No single thing in the last 15 years has been more important to me professionally than blogging... It's changed my thinking, it’s changed my outlook… it’s the best damn marketing tool and it’s free." In response to a question from moderator Susan Sobbott, president of AmEx OPEN ("True or False? You have control over your brand"), Tom said his perception of "brand" has changed since he started blogging in July 2004. "The brand is now…

It's not about your number of Twitter followers or Facebook friends, Seth Godin told me yesterday at the Inc. 5000 conference in Washington DC. Seth kindly agreed to a one-minute interview yesterday after his mainstage appearance with Tom Peters, moderated by AmEx OPEN president Susan Sinnott.

Busy day "liveblogging" the Inc. 5000 conference here in D.C. Here's what's I posted today:

Three Things on Jim Collins' 'Stop Doing' List

Dell VP Bob Pearson Listens to 10,000 Online Conversations Everyday

Dell also announced its new Facebook community today: Social Media for Small Business.

Contrarian Effect Co-author Elizabeth Marshall on Listening Instead of Selling

More TK including video Q & As with Seth Godin, Tom Peters and Ari Weinzweig, CEO of coolest small company Zingerman's.