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This paper traces the implications of the change in the delivery of seminars in economics organized by institutions worldwide to virtual seminars triggered by the COVID-19 pandemic. Following the technology shock, the number of seminars held decreased by approximately 12 percent as seminars went from in person to online delivery. The composition of seminar speakers changed significantly. Leading top economists in terms of recent research output gained shares. The share of seminars held by women increased. The geography of knowledge dissemination shifted significantly as the distance between host and speaker institutions increased on average by 32 percent. The growing inequality in presentations among speakers is correlated with an increase in inequality in terms of citations.