Dan Sinker teaches in the journalism department at Columbia College Chicago where he focuses on entrepreneurial journalism and the mobile web. He was the founding editor of the influential underground culture magazine Punk Planet until its closure in 2007 and is the editor of We Owe You Nothing: Punk Planet, the collected interviews. He was a 2007-08 Knight Fellow at Stanford University and currently blogs about media for the Huffington Post. All his various online activities are collected at danielsinker.com.