Users of collaborative media are invited by Dan Gillmore to take this five-minute research quiz authored by a Kennedy School of Government student. The quiz is very well crafted and asks lots of good questions, with room for specific written comments by respondents, and Metafilter is one of the sites specifically mentioned. Via BoingBoing.
Are You A Blogaholic? [via The Umbrella Stand, via anonstupid via almost-empty, from Weblog Wannabe]