Watch the 3rd video (Rob Walling) on this page: http://www.microconf.com/videos-2012.html http://www.microconf.com/videos-2012.html The whole video is well wor

Watch the 3rd video (Rob Walling) on this page: http://www.microconf.com/videos-2012.html http://www.microconf.com/videos-2012.html The whole video is well worth watching, but he covers channels specifically at around 37 minutes in.