If you think about it: A journalist works for a news organization. A blogger writes via a blog. Some are both. Most are not. Any good or bad connotations,

If you think about it: A journalist works for a news organization. A blogger writes via a blog. Some are both. Most are not. Any good or bad connotations, evolving as they might (not the least because the spheres of connotations do come into contact with each other), can be understood as experiences relating to these two simple facts.