1. A method of aggregating and disseminating time sensitive information, the method comprising steps of: searching a data source to identify recently-posted information items matching predetermined selection criteria; and for each identified information item: calculating a relevance score for the information item based on a content of the information item; determining an urgency rating for the information item based on the content of the information item; triaging the information item using the urgency rating and the relevance score; and disseminating the information item to at least one client based on the triage result; wherein triaging the information item comprises, when the urgency rating is less than a predetermined urgency threshold, and the relevance score is between predetermined first and second relevancy thresholds, passing the information item to a gatekeeper, the gatekeeper being operative to assess relevance of the information item; wherein the first relevancy threshold is less than the second relevancy threshold; and wherein the step of triaging each information item further comprises, when the urgency rating is less than the predetermined threshold, steps of: if the relevancy score is greater than a predetermined third relevancy threshold, wherein the third relevancy threshold is greater than the second relevancy threshold: generating an auto-alert in respect of the information item; and forwarding the auto-alert to the client.