The writing could be on the wall for computer buffs who copy music CDs for their friends. Sony Music has planted a "poisoned pellet" of software in Celine Dion's latest CD, A New Day Has Come, that is capable of crashing, and in cases permanently freezing, the optical drives of personal computers into which the discs are inserted. Michael Speck, of the Australian Record Industry Association, confirmed yesterday that the anti-piracy software trials were under way but said "spiked" CDs had not so far been distributed in Australia, but it was inevitable. The music companies were "simply protecting their property",...