Abstract: Appointment information for a user may be entered at a computer. A first signal may be sent from the computer, via a network, to a server remote from the computer, the content of the first signal including for example data related to the appointment information. Sending the first signal may be triggered by completion of the entering appointment information for the user. The content of the first signal may be processed at the server according to the appointment information, and a message may be sent from the server to the user relating to the appointment. A response to the message may be received from the user.