"Opinions are like assholes - everybody has one" - Anon Web 2.0, which introduced the ability of ordinary people to interact with the Web, has created a platform for sharing information that promises to change history. Call it the World Wide University (WWU). As an information junky, it's a dream world for me. But there are lessons to be learned.  Once you settle in, it can be like going back to University with a demanding schedule of a dozen difficult subjects. As in a real University, it's also possible to skip classes, change major and fritter way your time playing cards or engaged in loud and aimless discussions about subjects that none of the participants knows anything about. However serious people may seem to be, most of them are there to make friends or (how shall we put it) "hook up". You need to establish some goals and personal discipline. STAND UP AND MAKE A FOOL OF YOURSELF The first "book" in your book bag at WWU should be " Bei...