60. A method of multimedia content sharing, comprising A. grouping one or more items of content stored on a shared content server into one or more groups, B. transmitting to one or more nodes from the shared content server, via a first set of one or more networks, one or more items of content from a first such group of items stored on the server to each of one or more nodes in a first set of nodes having permissions in that group without a request by any user of that node for those one or more items, wherein each node in the first set of nodes stores the one or more items in a local store associated therewith, C. with at least said node (“first peer node”) in the first set of nodes, performing the steps of (i) presenting any of visually and/or aurally the content of at least one item of content from the first group of items received from the shared content server, (ii) accepting user feedback with respect to that item of content, the user feedback reflecting user input regarding the item of content, and (iii) transmitting that user feedback to the shared content server, D. with the shared content server, transmitting the user feedback to at least one node (“second peer node”) that is in the first set of nodes without retransmission of the article of content with respect to which the user feedback was accepted, which second peer node alters a presentation on that node of that item of content as stored on the local store associated therewith based on that user feedback.
60. A method of multimedia content sharing, comprising A. grouping one or more items of content stored on a shared content server into one or more groups, B. transmitting to one or more nodes from the shared content server, via a first set of one or more networks, one or more items of content from a first such group of items stored on the server to each of one or more nodes in a first set of nodes having permissions in that group without a request by any user of that node for those one or more items, wherein each node in the first set of nodes stores the one or more items in a local store associated therewith, C. with at least said node (“first peer node”) in the first set of nodes, performing the steps of (i) presenting any of visually and/or aurally the content of at least one item of content from the first group of items received from the shared content server, (ii) accepting user feedback with respect to that item of content, the user feedback reflecting user input regarding the item of content, and (iii) transmitting that user feedback to the shared content server, D. with the shared content server, transmitting the user feedback to at least one node (“second peer node”) that is in the first set of nodes without retransmission of the article of content with respect to which the user feedback was accepted, which second peer node alters a presentation on that node of that item of content as stored on the local store associated therewith based on that user feedback. 72. The method of claim 60 , including the step of blocking from transmission to one or more nodes in the first set items of content from which those nodes have been excluded.