Blogs put megaphone up to Sundance buzz

As befits its indie roots, the Sundance Film Festival has long played host to innovations that have spread elsewhere. Blogging is one of them. Personal blogs, millions of them, are spreading on the Internet like kudzu, from LiveJournal.com to MySpace.com. Professional blogs such as Gawker Media's gossipy Defamer.com draws some 270,000 page views per day.