YouTube, owned by Google, is used in a variety of ways to promote business, as a learning tool used in businesses, for showing presentations, etc. Videos can easily be embedded into blogs, which I have also done in the past with my blogs on squidoo.com. It makes the presentation of a blog not only more interesting, but gets the attention of readers and helps support, or even enhance, the subject of the particular blog.
The links that I found helpful in showing the various uses of YouTube for business are the following:
I definitely will be using YouTube to promote my business in the future!