from the i'll-patent-torrenting-torrents dept.
Anonymous Crobar writes "Microsoft has received a patent for a 'digital rights management scheme for an on-demand distributed streaming system,' or using a P2P network to distribute commercial media content. The patent, #7,639,805, covers a method of individually encrypting each packet with a separate key and allowing users to decrypt differing levels of quality depending on the license that has been purchased."
PL/I -- "the fatal disease" -- belongs more to the problem set than to the
-- Edsger W. Dijkstra, SIGPLAN Notices, Volume 17, Number 5