<a href="http://blogs.independent.co.uk/independent/2008/10/cyberclinic-how.html">Cyberclinic: How loud is your iPod?</a>

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The Independent Tech

Scarcely a day goes by without me coming across someone on public transport who has jacked up the volume of their mp3 player so high that I can hear it from several metres away, over the sound of train wheels, general chat and the noise of the driver telling us that the train won't be stopping at Stockwell tube station because of perpetual engineering works