Smartphone users not as loyal as they were

Sales of smartphones nearly doubled in the third quarter and are expected to be up more than 50 per cent for 2010, according to IT research firm Gartner, outpacing growth seen at closer to 30 per cent for the mobile phone market as a whole.

Smartphones command far higher margins than regular mobile phones, although that profitability is being eroded by new competition from vendors who have been able to enter the market thanks to Google's open source Android software.

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