...is going around again! I love it when my favorite memes come back.
The Johari Window was invented by Joseph Luft and Harrington Ingham in the 1950s as a model for mapping personality awareness. By describing yourself from a fixed list of adjectives, then asking your friends and colleagues to describe you from the same list, a grid of overlap and difference can be built up.
http://kevan.org/johari?name=kismet09