There are estimated to be 1.5 billion mobile phones in the world today (Prensky, 2004). This is more than three times the number of personal computers (PCs), and today’s most sophisticated phones have the processing power of a mid-1990s PC.
These facts, and the range of computer-like functionality offered by top-of-the-range devices, are leading some observers to speculate that many people in the not so distant future will start to see the mobile phone as an alternative to a PC. For example Jeff Hawkins, inventor of the Palm Pilot, was recently quoted (Stone 2004) as saying, ‘One day, 2 or 3 billion people will have cell phones, and they are not all going to have PCs … The mobile phone will become their digital life’. Sean Maloney, an executive vice-president at Intel (also interviewed by Stone) disagrees, on the grounds that, ‘Hundreds of millions of people are not going to replace the full screen, mouse and keyboard experience with staring at a little screen’. Clearly, neither view is likely to be completely objective, but the fact that the debate is happening is an indication of how powerful and sophisticated mobile devices are becoming.
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