"They know they're trusted by execs and managers and know they have a voice here," Lee says. "If there was no culture of trust, they wouldn't feel as good about using it."

That doesn't mean they haven't had a few issues pop up: "We've seen blog posts that were questionable, but other people flag it and the problem usually corrects itself," Lee says.

covers consumer technology, social networking and enterprise collaboration for CIO.com. Follow Kristin on Twitter @kmburnham. Follow everything from CIO.com on Twitter @CIOonline and on . Email Kristin at kburnham@cio.com