How to set one up: http://www.iwillteachyoutoberich.com/blog/how-to-use-natural-networking-to-connect-with-anyone-including-the-exact-email-scripts/
Questions to ask: http://shiftingcareers.blogs.nytimes.com/2008/01/29/mastering-the-informational-interview/
Tutorial: http://www.quintcareers.com/informational_interviewing.html
