"There has been hype growing over the idea of distributing video on the Internet in a vaguely TV-broadcast-like way. 'IPTV' is the loose marketing term that's being applied, but the concept comes in more than one form. For example, users can upload their video files to YouTube and Google Video, which will both stream the video on demand, and these sites offer this service at no cost.
"Then there's the combined method of distributing video by bittorrent and RSS: The RSS feed announces to a client program the availability of a torrent for a video file requested by the user, whereupon the client then uses bittorrent to fetch it..."