"It is the gadget that no fashion-conscious bright young thing can afford to be seen without. But two years after Britain fell in love with the iPod there are signs that the pocket-sized box that transformed the way millions listen to music is beginning to lose its shine. Internet chatrooms are carrying accounts of "unreliable machines", while questions are being asked about working conditions in the Chinese factories where they are made. The "very significant" fall in public confidence is highlighted in new figures from YouGov's brand awareness index, which show a steady fall in the popularity of the Apple brand."There's the old saying that when you're the king of the hill, everyone will try to knock you down, and the iPod is certainly on the top of the MP3 playing hill. I don't know how much real significance there is in this report, though the screen quality issue certainly resonates with every iPod owner I know and causes frustration.