Interesting data in a chart on the Groundswell blog about blogs, user-generated video and podcasts around the world. Japan and South Korea blow the U.S. out of the water when it comes to reading and commenting on blogs. The U.S. though leads the way when it comes to watching and creating user-generated video. Is it really because YouTube is mostly English, or because we’re just lazier and used to watching pictures on a screen? Listening to podcasts was highest in U.S., but at only 11%, the author points out they haven’t caught on much after years of availability. So is all the chatter about podcasting you see these days just hype–or evidence of a shift in popularity?