BlogHer rocks for advertisers because we can target very specific groups, such as those women who blog about Parenting and the people who read those blogs.
It rocks for bloggers because we can post about issues where we know the primary audience is women.
Blog readers can peruse a huge variety of blogs about every issue, almost all from a women’s viewpoint.
They also have a forum. They don’t have podcasts yet that I know of, but keep close watch.
What kind of affinity group could you build? A forum where commercial loan officers could ask the pros and find the answer to all their problems? Parents of kids attending a particular school? BlogHer shows us how much can happen when several thousand people full of energy get concentrated on one spot.