Are there concerns of blogging

I was reading an article on one of our required blogs, the Diva Marketing blog, and saw a post which described a place where bloggers could meet. Unfortunately the internet has proven to have some problems concerning younger teenagers. I know that there have been problems with older (usually men) seducing young teens online then asking to meet them places. I was just wondering if this is a problem that has arisen in blogging as well as more and more people get involved in it. Now the following is not meant to imply that this blog is at anyway trying to seduce young teens, i just merely thought of this when i was perusing the blog.