1. A system, comprising one or more processors configured to execute instructions that cause the system to perform a method comprising steps of: receiving, from a first user, a first expression of interest in being notified about updates to particular information; receiving, from a second user, a second expression of interest in being notified about interactions of the first user; based, at least in part, on the first expression of interest, sending to the first user first information about a particular update to the particular information to cause display of the first information to the first user in a view, wherein the first information includes a link that provides access to the particular information; and in response, at least in part, to receiving a request from the first user to share the first information, sending the first information to the second user based, at least in part, on the second expression of interest.