The music and film industries mostly ;-) But jokes aside, I don't see much need for something to replace BitTorrent as a mean of distributing content. Gradual

The music and film industries mostly ;-) But jokes aside, I don't see much need for something to replace BitTorrent as a mean of distributing content. Gradual improvements sure, something completely new not really. Where big changes are going to be needed is content discovery - as big torrent search sites disappear it's becoming more apparent they and not the trackers are the weak point.