I think I got a little ahead of myself here, sorry. Bram Cohen (who is known for inventing BitTorrent) has worked shortly with Valve on Steam. I can't find a so

I think I got a little ahead of myself here, sorry. Bram Cohen (who is known for inventing BitTorrent) has worked shortly with Valve on Steam. I can't find a source quoting Steam as using BitTorrent though, so let's assume that no. Well, apparently Blizzard does. :) Quoting http://www.wowpedia.org/Blizzard_Downloader http://www.wowpedia.org/Blizzard_Downloader