I don't think that is the main benefit. I think it is the ability to "reshare" a post and have your followers see it. So you can follow your "friends" and learn

I don't think that is the main benefit. I think it is the ability to "reshare" a post and have your followers see it. So you can follow your "friends" and learn about new blogs from there. There is no reason that this couldn't be done on regular blogs, but it isn't common.