Yesterday, we talked about how identity theft, phishing, and other identity-related problems are hurting online commerce. Kim Cameron has posted some excerpts from a Wall Street Journal story that gives some surprising details about how identity problems affect people's behavior online. In short, the lack of a credible identity infrastructure for the Internet, threatens to arrest progress in electronic transactions and could very well ruin the net for anything of any sophistication. Even blogging is under attack. I've been getting hammered today with comment and trackback spam. Ugh!