Threaded conversation channel with a temporarily exclusive conversation. One embodiment includes a data processing system implementing a threaded conversation channel. The data processing system includes a network interface coupled to a network. The data processing system also includes a memory for storing instructions and an electronic processor coupled to the network interface and the memory. The electronic processor is configured to execute the instructions to generate the threaded conversation channel and to receive conversation parameters including a recipient, a delivery time, and initial message content. The electronic processor is also configured to post a temporarily exclusive conversation based on the conversation parameters that is hidden from at least a first user of the temporarily exclusive conversation and viewable by at least a second user. The electronic processor is also configured to reveal, to the first user at the delivery time, the temporarily exclusive conversation on the threaded conversation channel.