Exzellentes Post über das Design von Feedback-Loops in sozialen Medien; Themen u.a. Erstellen von Modellen des Publikums, best practice bei flickr und Amazon, rewarding feedback
"The Interactive Advertising Bureau (IAB) and the non-profit Media Rating Council said they are teaming with Google, Yahoo, Microsoft, Ask.com, LookSmart and others to form the Click Measurement Working Group..."