Writing strong, professional letters to your clients and other businesses is as vital as social networking, website blogging, incorporating SEO strategies into your articles, and networking to market your business or yourself. Letter writing can be as simple as a small paragraph sent in an email, a response to an inquiry, or an elaborated letter written on your letter head sent via snail letter. How you represent yourself as a professional and intelligent person is expressed through your written term. More data: click here.