1. A computer-system-implemented method for aggregating topic content, the method comprising: providing a user-interface for an online social network website to one or more user computers for installation on the one or more user computers; receiving, at a transmission server for the provider of the online social-network website, one or more skills of users in the social network, wherein the one or more skills of each of the users is indicated in the profile of the user, and wherein the transmission server comprises a processor and a memory; receiving, at the transmission server, annotations associated with content in the social network, wherein each annotation associated with content indicates a feedback provided by a user in the social network regarding the content; storing the received one or more skills of a user in association with the profile of the user in a partitioned user profile data section of the memory; storing the received annotations associated with content in a partitioned content annotations data section of the memory; determining, using the processor, a set of topics based on an overlap between the received skills and the received annotations; using the processor, identifying experts knowledgeable about the set of topics among the users in the social network; transmitting, over a data channel, from the transmission server of the provider of the social network to the one or more user computers, one or more messages inviting the experts to aggregate and edit the topic content, wherein given topic content for a given topic in the set of topics includes a subset of the content; receiving over the data channel, at the transmission server from the one or more user computers, responses to the messages from at least a subset of the experts; providing over the data channel, from the transmission server to the one or more user computers associated with the subset of the experts, documents with suggested topic content and presentation formats for the topics in the set of topics; receiving over the data channel, at the transmission server, from the one or more user computers, from the subset of the experts, modifications to the documents; revising the documents based on the modifications; storing the revised documents in the memory associated with the transmission server; and transmitting one or more of the stored documents over the data channel, from the transmission server to a user computer, wherein the user computer is associated with a member of the social network, and wherein the transmitted document is available for display on the user computer using the user-interface for the social network application.