Business Week tries a new idea. After 2 years of quiet development Business Week develops the Business Exchange as it calls it. It will have topic pages with topics like the 787 Dreamliner, Blackberry vs. Iphone, and so on. At this time publications are trying a lot of things like verticals, aggregation, user-generated content, popularity rankings, and also something like social networks. Each Business Exchange topic page links to articles and Blog posts from many sources including BW's competitors, with the contents updated automatically by a web crawler. Nearly all traditional news organizations offer only their own content, not taking on the role of an aggregator considering that as an invitation to readers to leave their websites. On Business Exchange a user can create a new page, choosing subject and title and brief introductory description, it would take 24 hours to get permission from BW for this. Objectionable posts would be taken down. Users can also post new material to a topic page. ...