1. The document discusses how to tap into the creative potential of online crowds through crowd-powered projects. It outlines principles for designing systems that encourage constructive collaboration and creativity among online crowds.
2. Two successful crowd-powered projects are described: Ideas2Ideas, which applied design principles to encourage constructive ideation over non-constructive comments; and WikiTasks, which helped crowds better organize and collaborate on tasks.
3. Key lessons include the importance of designing for constructive participation, reducing staleness by visualizing long-tail contributions, and providing contextual displays of work to lower barriers and encourage collaboration. With the right applications and design principles, crowds show strong potential for creative