Ross Mayfield talks about the increasing number of large organizations who are encouraging (or at least adopting a 'let's see what happens' attitude toward) blogging. In specific, he talks about Standard Weblog Employee Policy:

What's missing is a standardized weblog employee policy. Today, major tech companies like Microsoft and Sun are embracing external blogging and beginning to realize its benefits. Right now many companies are considering similar moves, but are held back by what they see as a legal grey area. We have been through most all of these issues before, as the web publishing, newsgroups and email are a virtual sieve. But blogs are newer every day and with all the hype its hard for people to get that they are simple tools.

He cites companies that currently have blogging policies. Check out:

Sun Policy on Public Discourse

Think About Consequences The worst thing that can happen is that a Sun sales pro is in a meeting with a hot prospect, and someone on the customer’s side pulls out a print-out of your blog and says “This person at Sun says that product sucks.”

In general, “XXX sucks” is not only risky but unsubtle. Saying “Netbeans needs to have an easier learning curve for the first-time user” is fine; saying “Visual Development Environments for Java suck” is just amateurish.

Once again, it’s all about judgment: using your weblog to trash or embarrass the company, our customers, or your co-workers, is not only dangerous but stupid.

Groove Weblog Policy

In general, the company views personal websites and weblogs positively, and it respects the right of employees to use them as a medium of self-expression.

If you choose to identify yourself as a company employee or to discuss matters related to the company's technology or business on your website or weblog, please bear in mind that, although you and we view your website or weblog as a personal project and a medium of personal expression, some readers may nonetheless view you as a de facto spokesperson for the company.

The Corporate Weblogger Manifesto

1) Tell the truth. The whole truth. Nothing but the truth. If your competitor has a product that's better than yours, link to it. You might as well. We'll find it anyway.

2) Post fast on good news or bad. Someone say something bad about your product? Link to it -- before the second or third site does -- and answer its claims as best you can. Same if something good comes out about you. It's all about building long-term trust. The trick to building trust is to show up! If people are saying things about your product and you don't answer them, that distrust builds. Plus, if people are saying good things about your product, why not help Google find those pages as well?

3) Use a human voice. Don't get corporate lawyers and PR professionals to cleanse your speech. We can tell, believe me. Plus, you'll be too slow. If you're the last one to post, the joke is on you!