Computers, namely, server computers for optimized transmission, reception, encryption, storage, forwarding, and playback of streaming media, particularly Internet TV (IPTV), including high-definition Internet TV (IPTV), over computer networks to individual receivers, to groups of receivers, and to pluralities of receivers; computer software for optimized transmission, reception, encryption, storage, forwarding, and playback of streaming media, particularly Internet TV (IPTV), including high-d...