He also has a nice computer with two flat-panel monitors on his desk, which sits in the middle of the small trading floor where he and his team of 20 analysts work.

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Giving every child a tablet computer is a nice gimmick, but it is unlikely to be the key to educational excellence.

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Sitting with a laptop, a phone and a decent internet connection in a comfy seat on a train is, these days, almost as productive as being in a nice office in a comfy chair with a computer, phone and decent internet connection.

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Sure, it won't help you love your pokey PC or Mac any more (though Apple's doing its own work on this problem with its misnomered "instant on" feature on the MacBook Air, which wakes the computer from hibernation in a few seconds), but it's a nice glimpse of what's to come.

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But when it comes to service businesses, the nice thing is that many don't require expensive technology, save for maybe a computer and an Internet connection.

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