The iPod is the Sony Walkman of its day. It commands a huge 44 per cent of the MP3 market and is on track to sell 30 million units this year and 43 million next year. Only Creative comes close with a 16 per cent market share.
Together with sales of rival MP3 devices, this represents a doubling of the market since 2004.
And finally, the year ended on a sour note with the news that the ear plug headphones could be a health risk.
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