Wikipedia is providing "semi-protection" to articles that get vandalized often. New users won't be able to edit these pages. Meanwhile, Wikipedia co-founder Larry and serial entrepreneur Joe Firmage (who has Utah roots) have raised $10 million to create an expert-driven open source encyclopedia called Digital Universe.
Al Gore's Current has a very interesting business model. I've always been a fan of user-generated content business models (at Ancestry.com our most popular databases came from user submissions). Current is turning user generated video into a broadcasting business. Co-founder Joel Hyatt predicts that in 5 years most of Current's content will be available on mobile devices such as cell phones and iPods.