52. The method of claim 49 wherein the following steps of the method are performed in real-time: receiving, by the computer-based service from the first user, a first comment entered in a first text entry interface, wherein the first text entry interface is related to the first information; and the computer-based service sending the first comment to the second user to cause display of the first comment, in relation to the first information, to the second user.
49. A method comprising: providing a computer-based service over a network to a set of users, wherein a first user, a second user and a third user belong to the set of users; receiving, by the computer-based service from the first user, a first expression of interest in being notified about interactions of the third user; receiving, by the computer-based service from the second user, a second expression of interest in being notified about interactions of the third user; receiving, by the computer-based service an indication of a particular interaction of the third user; after receiving the first expression of interest, receiving the second expression of interest, and receiving the indication, the computer-based service performing the steps of: based, at least in part, on the first expression of interest, sending first information about the particular interaction to the first user; based, at least in part, on the second expression of interest, sending the first information about the particular interaction to the second user; and wherein the first information includes one or more links that provide access to one or more views that are associated with the particular interaction; receiving, by the computer-based service from the first user, a first comment entered in a first text entry interface, wherein the first text entry interface is related to the first information; and the computer-based service sending the first comment to the second user to cause display of the first comment, in relation to the first information, to the second user.