A social network site with enhanced user interaction functionality. In one implementation, a method includes providing a personal page corresponding to a first user, wherein the personal page includes a digital pet module region comprising a representation of an animate object, an indicator of a current state of the animate object, an action selector control, and an action history comprising a user identifier of a previous user and an action selected by the previous user using the action selector control; receiving an indication of a selected action from a current user; modifying the state of a digital pet object based on the selected action; and causing a browser client to render the digital pet module region, the modified state, and an updated action history including an identification of the current user and the action selected by the user.