One of the best ways to research literary agents is to follow them on Twitter. It can help you discover if your dream agent is all she or he seems—or if different agent might be a better fit. You can get an idea about what an agent is looking for and a handle on their tastes. Basically, Twitter following agents will help you know more about them as individuals, that will help you make wiser choices about who to query, and in turn will lead to a higher request rate.
Here are a dozen of my thoughts about following and researching agents on Twitter . . .Read the rest on my sister blog http://fivecuriosities.blogspot.com/