1. A method, comprising: facilitating, by a server system, a registry event comprising an experience-sharing session, wherein the experience-sharing session is between a sharing device and one or more viewing devices, and wherein the sharing device comprises a head-mountable display (HMD) having an image-capture device arranged to capture point-of-view image data when the HMD is worn; receiving, by the server system, as part of the experience-sharing session, content capturing an experience corresponding to the sharing device, wherein the received content comprises at least real-time image data based on the point-of-view image data; determining, by the server system, one or more indications of one or more items of interest and responsively adding the one or more items of interest to a registry list; determining, by the server system, at least one portion of the received real-time image data that corresponds to at least one item of interest; providing, by the server system, real-time updates of the registry list to the one or more viewing devices, as the one or more items of interest are added to the registry list, wherein the real-time updates comprise the at least one portion of the received real-time image data that corresponds to the one or more items of interest; receiving, by the server system, a purchase request from at least one viewing device for a selected item of interest from the registry list; and in response to receiving the purchase request, the server system initiating a purchase transaction process to bill at least one account associated with the at least one viewing device and to provide the selected item of interest to a user of the sharing device.