Jon Lech Johansen - or DVD Jon to those who lauded his cracking of Macrovision, the copy protection used on DVDs - has cracked the iTunes protection that limits playback of purchased tracks to iPods. Recently, Mr Johansen was involved in cracking Apple’s duplicate protection, thus circumventing the authorisation process that must be used before tracks can be played on other computers. Shake up This time, his work has given other manufacturers a way of tapping into iTunes market dominance by delivering products capable of interacting with iTunes. Mr Johansen and his company DoubleTwist plan to make the code available to manufacturers. With iTunes controlling 88% of the legal download market and the iPod making up 60% of the music player market, this could really shake things up.
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