In a previous life, I was a journalist -- photographer, reporter, newscast producer, editor, etc. I guess that's why I still like to write. It's in my blood.
I also like to read. And quite frankly, I've read a lot of really, really good content that's being generated by people here on Active Rain. In fact, I think most of it can be re-used and re-purposed to help you build your businesses.
There's a Web site I use called EZineArticles.com. What it does is offers your content to publishers for free. I suggest that anyone here who has done a "how-to" or other type of advice blog entry go to the site and see what they can contribute.
I've seen a lot of articles here that with just a few changes (only to attract a wider audience), can be really good pieces for a more-general readership.
There's plenty of opportunity to plug yourselves in the articles you do, so don't worry about that. But if you're looking to build credibility for yourself, and maybe even pick up some direct sales in the process, this is the way to go. Normally, I'd go on about what the site can do specifically for you, but they've done themselves already. So check it out.
I've written a few articles for the site. I'm not sure if they've been published anywhere yet (it's only been a month). But they do pop up in Google searches for myself or my company. So that's one immediate way in which using the site can build your credibility. Plus, if your material gets accepted, you're then called an "expert author," which always can be used in sales/marketing material, etc.
Give it a try. I'd love to use the Comments section here for any success stories as a result of an EZineArticles.com submission, as well as for overall comments.
Good luck, and happy writing.