1. A method comprising: receiving, by a computer of a social networking system, input from a first user specifying a planned future status of the first user; determining an influencer weight between the first user and a second user who is connected to the first user in the social networking system, the influencer weight calculated based on stored data regarding the influence of the first user's actions on subsequent actions taken by the second user within the social networking system, the influencer weight predicting whether the second user will click a link allowing the second user to join the planned future status; selecting a first notification for display to the second user based on the determined influencer weight; sending for display, to the second user, the selected first notification about the planned future status of the first user, the first notification including the link allowing the second user to join the planned future status; receiving, by the computer, input from the second user via the link specifying that the second user will join the planned future status of the first user; and sending for display, to each of a plurality of third users who are connected to the second user, a second notification about the second user joining the planned future status of the first user, the second notification displayed to each of the third users, the second notification including a link allowing the third users to join the planned future status.
1. A method comprising: receiving, by a computer of a social networking system, input from a first user specifying a planned future status of the first user; determining an influencer weight between the first user and a second user who is connected to the first user in the social networking system, the influencer weight calculated based on stored data regarding the influence of the first user's actions on subsequent actions taken by the second user within the social networking system, the influencer weight predicting whether the second user will click a link allowing the second user to join the planned future status; selecting a first notification for display to the second user based on the determined influencer weight; sending for display, to the second user, the selected first notification about the planned future status of the first user, the first notification including the link allowing the second user to join the planned future status; receiving, by the computer, input from the second user via the link specifying that the second user will join the planned future status of the first user; and sending for display, to each of a plurality of third users who are connected to the second user, a second notification about the second user joining the planned future status of the first user, the second notification displayed to each of the third users, the second notification including a link allowing the third users to join the planned future status. 3. The method of claim 1 wherein receiving input from the first user further comprises: determining from the input an event type associated with the planned status; accessing a database including information about a future occurrence of the event type; and associating the information about the future occurrence of the event type with the received input.