1. One or more computer-readable storage memory comprising computer-readable instructions which, responsive to execution by at least one processor, are configured to: monitor user input regions of each one of one or more user interfaces associated with a messaging system; receive user activated inputs via at least one of the user input regions; responsive to receiving the user activated inputs, analyze the user activated inputs to identify, for one or more users, a type of user activity from a predetermined set of user activities, wherein the predetermined set of user activities comprises at least a deletion activity, a message typing activity, and a message completed activity; and transmit, over a communication network, a message comprising data representing the identified type of user activity from user terminals of the one or more users to at least one recipient user terminal.