The document discusses the challenges of adopting Web 2.0 patterns and social media strategies for business applications. It provides examples of projects that tried to incorporate viral marketing, user tagging, reviews, and social networking elements but failed due to lack of user participation, inability to control user-generated content, and technical limitations. While some Web 2.0 constructs can boost engagement, businesses need to consider whether the audience is large enough and motivated to contribute ongoing content and interactions on their own platform.