Web 2.0 was created to allow people to share pictures of cute cats.
"Porn is a weak test for the success of participatory media - it’s like tapping a mike and asking, “Is it on?” If you’re not getting porn in your system, it doesn’t work. Activism is a stronger test - if activists are using your tools, it’s a pretty good indication that your tools are useful and usable."
From: Ethan Zuckerman: The Cute Cat Theory