Here is a resource. We know that as a social media tool, blogging can be useful in helping an individual, a team or an organization position themselves as Subject Matter Experts (SMEs). Partly, we suspect, because a blog platform can be free, blogs like content that informs and perhaps helps the reader and the blog can be linked to other on-line resources.
In addition, a blog can be a tactic in an inbound marketing plan. For more details, check out the infographic here.