Most simply, 'present shock' is the human response to living in a world that's always on real time and simultaneous. You know, in some ways it's the impact of living in a digital environment, and in other ways it's just really what happens when you stop leaning so forward to the millennium and you finally arrive there.

The iPad - contrary to the way most people thought about it - is not a tablet computer running the Apple operating system. It's more like a very big iPhone, running the iPhone operating system.

Your email inbox is a bit like a Las Vegas roulette machine. You know, you just check it and check it, and every once in a while there's some juicy little tidbit of reward, like the three quarters that pop down on a one-armed bandit. And that keeps you coming back for more.

Digital time does not flow; it flicks. Like any binary, discrete decision, it is either here or there. In contrast to our experience of the passing of time, digital time is always in the now, or in no time. It is still. Poised.

Books have souls. Or so romantics like me tend to think.

Microsoft's new OS, Windows 7, may finally be a worthy successor to XP, eliminating the clutter of Vista and letting users get to what they want to use without the fuss. All this, while remaining compatible with their IT departments' demands for scalability and custom implementations.

Open source is a beautiful way of collaborating; but what's happening on the free Internet is more akin to the 'crowdsourcing' of journalists and other content creators by advertisers who no longer have to pay them - only the search engines that parse their articles.