65. 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 in a respective view of 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; receiving, by the computer-based service from a particular second user, of the plurality of second users, a comment entered in a particular text entry interface, wherein the particular text entry interface is related to the first information; and in response to receiving the comment, the computer-based service sending the comment, to each user of the plurality of second users other than the particular second user, to enable display of the comment, in relation to the first information, to the each user of the plurality of second users other than the particular second user.
65. 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 in a respective view of 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; receiving, by the computer-based service from a particular second user, of the plurality of second users, a comment entered in a particular text entry interface, wherein the particular text entry interface is related to the first information; and in response to receiving the comment, the computer-based service sending the comment, to each user of the plurality of second users other than the particular second user, to enable display of the comment, in relation to the first information, to the each user of the plurality of second users other than the particular second user. 75. The method of claim 65 wherein the first interaction includes interaction with a particular image and the first information includes at least a portion of the particular image.