I just took the Myers-Briggs test available at
http://www.humanmetrics.com/cgi-win/JTypes1.htm Apparently I am an INTP. The description is at
http://typelogic.com/intp.html I think it is uncannily accurate. Now I am curious about the Myers-Briggs classification of the people I know. Shannon is an INTJ, which I think anyone who knows her would agree is accurate.