Following their spectacular PR disaster using them on records they have now used virtually the same technology on fingerprint ID memory sticks... Why? :/
http://www.infoworld.com/article/07/08/27/Sony-uses-rootkits-charges-F-Secure_1.html
Recently Ive been wondering if theyre trying to fail.
http://www.rootkit.com/newsread.php?newsid=766
Point is they could make them secure against people pirating it. For that matter M$ should make their OSs secure against organisations and people using them. Its an open invite for Trojans.
Bioshock has the silly install limit drm infection which is based on this Sony bullcrap