19. The system of claim 18 , wherein the specified period of time is a past period of time and wherein the event processing system is further configured to estimate at least one of a second number of and a second set of a specified type of device the set of users will use during the future period of time to interact with the second content item based on the interaction analytics determined for the past period of time.
18. The system of claim 17 , wherein the event processing system is further configured to identify a type of device a user of the set of users is using to interact with the plurality of content items of the catalog, and wherein the event processing system configured to determine the interaction analytics for the set of users having interacted with the second content item is further configured to determine at least one of a first number of and a first set of a specified type of device the set of users used to interact with the plurality of content items of the catalog during the specified period of time.