1. A method comprising: determining a focus state for a user, wherein the user is a participant in at least one conversation with one or more target users; automatically configuring a presence state for the user based at least in part on the determined focus state; determining that a conversation event has occurred for which a notification is to be sent to the user, wherein a particular user of the one or more target users is associated with the conversation event; and selectively delivering the notification to the user based on the presence state for the user.