I think there might be some unspoken rule about constantly pushing your own blog articles; there's been a number of users where, say, their user name is "bobsmi

I think there might be some unspoken rule about constantly pushing your own blog articles; there's been a number of users where, say, their user name is "bobsmith" and ALL their links that they submit are to a site that just happens to be bob-smiths-gadget-and-seo-blog.com