The document discusses the rise of online communities and how companies can leverage them. It notes that more than 60% of Fortune 1000 companies will connect to or host online communities by 2010. It then provides the AOF method for analyzing activities, objects, and features/tasks to identify the core elements of a community. Examples are given for communities around entertainment, shopping, and sharing photos. The document also discusses how online communities can generate revenue through traditional advertising as well as new sources like pay-to-post, pay-to-interact, offline/online events, pay-to-learn, and pay-to-bring-together models. It argues that communities allow companies to connect directly with consumers rather than just keeping media companies