84. A method comprising: providing a computer-based service over a network to a set of users, wherein the set of users includes a first user and a plurality of second users; receiving, by the computer-based service, from a given user of the plurality of second users, a given expression of interest in being notified about interactions of the first user; receiving, by the computer-based service, an indication of a first interaction of the first user; after receiving the given expression of interest and receiving the indication, sending, by the computer-based service, first information about the first interaction to each user of the plurality of second users, to cause display of the first information to each of the plurality of second users; wherein the step of sending the first information includes sending the first information to the given user based, at least in part, on the given expression of interest; wherein the first information includes one or more links that provide access to one or more views that are associated with the first interaction; in response to receiving, by the computer-based service from a particular second user, of the plurality of second users, a particular comment, the computer-based service sending the particular comment to each user of the plurality of second users other than the particular second user, to automatically cause display of the particular comment, in relation to the first information, to the each user of the plurality of second users other than the particular second user; and in response to receiving, by the computer-based service from a given second user, of the plurality of second users, a given comment, the computer-based service sending the given comment to each user of the plurality of second users other than the given second user to automatically cause display of the given comment, in relation to the first information and the particular comment, to the each user of the plurality of second users other than the given second user.
87. One or more non-transitory computer-readable media storing instructions which, when executed by one or more processors, cause the one or more processors to perform the method recited in claim 84 .