Interesting Ad Idea

I just saw this blog ad at the liberal Dailykos. While the effectiveness of blog ads is questionable, this one grabbed my attention by specifically addressing "The Blogosphere." The verbiage says:

"While most candidates begin with an attempt to solicit contributions via the web, we have decided to take another path. If you have your own website or blog, please consider placing a Sherrod Brown for U.S. Senate button on your site. We have Grow Ohio buttons as well..."