Copyright: IBM recipe.

A new system of protection of music content in digital format was announced by IBM . According to the specifications the system would allow the free broadcasting of songs but, in contrast, a limited listening (30 seconds or nothing at all) by those who do not possess the 'proof of purchase', a little 'along the lines of the SDMI . Also according to Big Blue, the system is not secure one hundred per center (and how could it be?), But enough to discourage most users from resorting to cracking. The doubts are multiplied abundant on yet another initiative of building 'locks' that does not take into account the state of affairs in which more and more is set free peer-to-peer network that is the style of Napster, hardly irregimentabili.