Selected answers from the Dumb SEO Questions G+ community.
Stockbridge Truslow: Yes. They can see it (if you set it up right). How much does it actually figure in as a weight for ranking? I`d say surely more than zero, but probably not a whole lot, either. It`s probably worth doing if it`s not too hard. Of course, remember, the reputation has to be earned. You can develop a bad reputation just as easy as a good one.