A method including, by one or more computing systems, receiving an indication of a communication from a first user to a second user, calculating an implicit urgency score of the communication, calculating a composite urgency score, determining an urgency of the communication and providing an indication of the urgency as determined for presentation to the second user. The implicit urgency score may be based at least in part on information accessible by the computing systems. The composite urgency score may be based at least in part on the implicit urgency score. The urgency of the communication may be based at least in part on the composite urgency score.