BitTorrent

BitTorrent, Wal-Mart To Open Online Video Stores (Media Post Publications)

BitTorrent forged deals to sell movies from
major Hollywood studios Paramount Pictures, Lionsgate and Twentieth
Century Fox Film, as well as TV shows from MTV Networks, starting
February--while retail giant Wal-Mart has begun testing digital
downloads by offering customers who bought DVDs of "Superman Returns" a
downloadable version for an extra few dollars more ($2 for download to
portable device, $3 to PC).

Walmartかあ。。。ふうむ。