Any data source where events are created by intentional human action, including global social media platforms, have relatively trivial event rates even during b

Any data source where events are created by intentional human action, including global social media platforms, have relatively trivial event rates even during bursts. It isn't the event rate that gets you, it is the rest of the workload processing and serving content. Just landing and storing the events can be easily handled by a single modern server with capacity to spare. Machine sourced data, by comparison, has event rates that are orders of magnitude higher.