Today's question comes from Paul, who has a question about email marketing. How should he go about cleaning his email list, to remove people who are no longer actively reading his emails? To share your thoughts on this topic on Twitter, use #AskPat552. Do you have a question about email marketing? Record it at http://www.askpat.com/. Today's sponsor is Freshbooks. Go to http://www.GetFreshBooks.com and enter "Ask Pat" for more information.