A machine includes a processor and a memory coupled to the processor. The memory stores instructions executed by the processor to perform operations comprising receiving, from a plurality of computing devices, a plurality of messages, each message comprising at least one message parameter. For each message of the plurality of messages, the machine determines whether the at least one message parameter comprises speed indicia indicating a speed of a respective computing device. Based on determining that the at least one message parameter comprises speed indicia, the speed indicia is evaluated to determine whether a speed of the respective computing device corresponds to a first media collection. The message is added to the first media collection based on determining that the speed of the respective computing device corresponds to the first media collection.